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Python Solved Assignments (Set 2)

Python Solved Assignments (Set 2)

Solved Python programs from COMPUHELP — open each topic to view code.

Assignments of For Loop (17 programs)
for i in range(1,11):
print("*",end="")
for i in range(1,11):
print("*")
for i in range(1,7):
   	print("   *")
   	print("COMPUHELP")
for i in range(0,10):
 	 print(i,end=" ")
for i in range(9,-1,-1):
    	print(i,end=" ")
for i in range(5,21):
    	print(i,end=" ")
for i in range(45,6,-1):
  	print(i,end=" ")
for i in range(1,21,2):
  	print(i,end=" ")
for i in range(0,21,2):
  print(i,end=" ")
num = int(input("Enter the number: "))
for i in range(1,num,2):
   print(i,end=" ")
num = int(input("Enter the number: "))
for i in range(0,num,2):
   print(i,end=" ")
for i in range(0,51,3):
   	print(i,end =" ")
a=int(input("Enter the terms: "))
b=0
s=1
if a<=0:
  print("The requested series is: ",b)
else:
   print(b,s,end=" ")
for x in range(2,a):
   next=b+s
   print(next,end=" ")
   b=s
   s=next
a=int(input("Enter the terms: "))
prod=1
for i in range(0,a):
   print(prod)
   prod=prod*2
a=int(input("Enter the terms: "))
fact=1
for i in range(1,a+1):
  fact=fact * i
  print(i,"*",end=" ")
print("bb = ",fact)
a=int(input("Enter the terms: "))
sum=0
for i in range(1,a+1):
   sum=sum+i
   print(i, "+", end=" ")
print("bb = ", sum)
m=int(input("Enter the value for m: "))
n=int(input("Enter the value for n: "))
res=1
for i in range(1,n+1):
   res*=m
print("The result is: ",res)
Assignments of Nested For Loop (34 programs)
for i in range(1,4):
    for j in range(1,4):
        print("*",end="")
    print()
for i in range(1,4):
    for j in range(1,4):
        print("1",end="")
    print()
for i in range(1,4):
    for j in range(1,4):
        print(j,end="")
    print()
for i in range(1,4):
    for j in range(1,4):
        print(i,end="")
    print()
k=1
for i in range(1,4):
   for j in range(1,4):
     print(k,end="")
     k+=1
   print()
for i in range(3,0,-1):
        for j in range(1,4):
           print(i,end="")
        print()
k=9
for i in range(1,4):
    for j in range(1,4):
        print(k,end="")
        k-=1
    print()
for i in range(3,0,-1):
    for j in range(3,0,-1):
        print(j,end="")
    print()
for i in range(1,4):
    for j in range(0,i):
        print("*",end="")
    print()
for i in range(3, 0, -1):
  for j in range(0, i):
    print("*", end = "")
  print()
for i in range(1, 4):
 for j in range(1, i + 1):
   print(j, end="")
 print()
for i in range(1, 4):
 for j in range(1, i + 1):
   print(i, end="")
 print()
for i in range(3,0,-1):
 for j in range(4,i,-1):
  print(i,end="")
 print()
for i in range(1,4):
  for j in range(4,i,-1):
     print(i,end="")
  print()
for i in range(3, 0, -1):
 for j in range(i, 4):
  print(j, end="")
 print()
for i in range(3,0,-1):
 for j in range(3,i-1,-1):
  print(j,end="")
 print()
for i in range(1,4):
 for k in range(i,1,-1):
  print(end=" ")
 for j in range(3,i-1,-1):
  print("*",end="")
 print()
for i in range(3,0,-1):
 for k in range(2,i-1,-1):
  print(end=" ")
 for j in range(1,i+1):
  print(j,end="")
 print()
for i in range(1,4):
      for k in range(i,1,-1):
        print(end=" ")
      for j in range(3,i-1,-1):
        print(i,end="")
      print()
for i in range(1,4):
    for j in range(0,i):
        print("* ",end="")
    print()
k=1
for i in range(1,6,2):
 for j in range(1,i+1):
  print(k,end="")
 print()
 k+=1
&for i in range(1, 4):
 for j in range(1, i + 1):
  print(i, end=" ")
 print()
n=1
for i in range(1,6,2):
    for k in range(i,5,2):
        print(end=" ")
    for j in range(1,i+1):
        print(n,end=" ")
    print()
    n+=1
n=1
for i in range(1,6,2):
    for k in range(i,5,2):
        print(end=" ")
    for j in range(1,i+1):
        print(n,end=" ")
    print()
    n+=1
for i in range(1,6,2):
    for j in range(5,i-1,-1):
        print("*",end=" ")
    print()
for i in range(1, 4):
    for j in range(3,i-1,-1):
        print("*", end=" ")
    print()
for i in range(1, 6, 2):
 for k in range(1, i - 1, 2):
  print(end="  ")
 for j in range(i, 6):
  print("*", end=" ")
 print()
for i in range(1, 4):
    for k in range(1,i):
        print(end=" ")
    for j in range(i, 4):
        print(" *", end = " ")
    print()
k=3
for i in range(1,6,2):
 for j in range(5,i-1,-1):
  print(k,end="")
 print()
 k-=1
k = 3
for i in range(1,4):
 for j in range(3,i-1,-1):
  print(k,end=" ")
 print()
 k -= 1
n = 3
for i in range(5, 0, -2):
 for k in range(5, i + 1, -2):
  print(end=" ")
 for j in range(1, i + 1):
  print(n, end="")
 print()
 n -= 1
n=1
for i in range(1,6,2):
    for k in range(i,5,2):
        print(end=" ")
    for j in range(1,i+1):
        print(n,end="")
    print()
    n+=1
n=n-2
for i in range(3,0,-2):
    for k in range(5,i,-2):
        print(end=" ")
    for j in range(1,i+1):
        print(n, end="")
    print()
    n-=1
for i in range(3, 0, -1):
    for k in range(i, 3):
        print(end=" ")
    for j in range(1, i + 1):
        print(i, end=" ")
    print()
n = 1
for i in range(1, 4):
 for k in range(i, 3):
  print(end=" ")
 for j in range(1, i + 1):
  print(n, end=" ")
 print()
 n += 1
for i in range(2,0,-1):
    for k in range(3,i,-1):
        print(end=" ")
    for j in range(1,i+1):
        print(i,end=" ")
    print()
Assignments of While and Do While Loops (8 programs)
n=int(input("Enter any number"))x=0while x<=n:    print(x)    x+=1
n=int(input("Enter any number"))while n>=0:    print(n)    n=n-1
n=int(input("Enter any number"))x=1while x<=10:    print(n,"X",x,"=",n*x)    x+=1
n=int(input("Enter any number"))a=0b=1i=1print(a,"",b,end=" ")while i<=n-2:    c=a+b    print(c,end=" ")    a=b    b=c    i+=1
n=1while n<=2:    marks1=int(input("Enter marks of first subject"))    marks2 = int(input("Enter marks of second subject"))    marks3 = int(input("Enter marks of third subject"))    sum=marks1+marks2+marks3    avg=sum//3    print("Average marks of ",n," student are: ",avg)    n+=1
rev=0num=int(input("Enter a number"))print("The reverse of a number is: ")while num>=1:    rev=num%10    num=num//10    print(rev,end="")
res=1count=1m=int(input("Enter a number"))n=int(input("Enter the power"))while count<=n:    res=res*m    count+=1print("The result is ",res)
fact=1num=int(input("Enter a number"))print("The factorial of the number is:")while num>=1:  fact=fact*num  print(num,end="")  if num>=2:    print("*",end="")  num=num-1print("=",fact)
Assignments of single Dimensional Array (12 programs)
#include<stdio.h>
     
    void main()
    {
      int arr[5],i;
      printf("Enter array elements ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr[i]);
      }
      for(i=0;i<=4;i++)
      {
      printf("n Element is %d",arr[i]);
      }
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i;
      printf("Enter array elements ");
      for(i=0;i=0;i--)
      {
      printf("n Element is %d",arr[i]);
      }
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],arr1[5],i;
      printf("Enter array elements ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr[i]);
      }
      printf("n The copy of array elements is :n");
      for(i=0;i<=4;i++)
      {
      arr1[i]=arr[i];
      printf("n Element is %d",arr1[i]);
      }
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],arr1[5],i,j;
      printf("Enter array elements ");
      for(i=0;i=0;i--)
      {
           arr1[j]=arr[i];
      printf("n Element is %d",arr1[j]);
      j++;
      }
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i,sum=0;
      printf("Enter array elements ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr[i]);
      }
      printf("n The sum of array elements is :n");
      for(i=0;i<=4;i++)
      {
           sum=sum+arr[i];
      printf("%d+",arr[i]);
      }
      printf("b=%d",sum);
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr1[5],arr2[5],sum[5],i;
      printf("Enter array elements in first array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr1[i]);
      }
      printf("Enter array elements in second array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr2[i]);
      }
      printf("n The sum of array elements is :n");
      for(i=0;i<=4;i++)
      {
           sum[i]=arr1[i]+arr2[i];
       printf(" %d",sum[i]);
      }
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr1[5],arr2[5],diff[5],i;
      printf("Enter array elements in first array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr1[i]);
      }
      printf("Enter array elements in second array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr2[i]);
      }
      printf("n The sum of array elements is :n");
      for(i=0;i<=4;i++)
      {
           diff[i]=arr1[i]-arr2[i];
       printf(" %d",diff[i]);
      }
     
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i,large=0,loc;
      printf("Enter the elements of an array ");
      for(i=0;ilarge)
      {
      large=arr[i];
      loc=i+1;
      }
      }
      printf("n The element is :%d",large);
      printf("n The location is: %d",loc);
       
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i,small,loc;
      printf("Enter the elements of an array ");
      for(i=0;iarr[i])
      {
      small=arr[i];
      loc=i+1;
      }
      }
      printf("n The smallest element is :%d",small);
      printf("n The location is: %d",loc);
       
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i,j,temp;
      printf("Enter the elements of an array ");
      for(i=0;iarr[j])
      {
      temp=arr[i];
      arr[i]=arr[j];
      arr[j]=temp;
        }
       }
      }
      printf("nThe sorted array is: n");
     for(i=0;i<=4;i++)
      {
      printf(" %d",arr[i]);
      }
       
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i,j,temp;
      printf("Enter the elements of an array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr[i]);
      }
      
      for(i=0;i<=4;i++)
      {
      for(j=i+1;j<5;j++)
      {
      if(arr[i]<arr[j])
      {
      temp=arr[i];
      arr[i]=arr[j];
      arr[j]=temp;
        }
       }
      }
      printf("nThe sorted array is: n");
     for(i=0;i<=4;i++)
      {
      printf(" %d",arr[i]);
      }
       
    }
#include<stdio.h>
     
    void main()
    {
      int arr[5],i,n,flag=0;
      printf("Enter the elements of an array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr[i]);
      }
       printf("The elements of an array is: n");
      for(i=0;i<=4;i++)
      {
      printf(" %d",arr[i]);
      }
      printf("n Enter any number which you want to search: ");
      scanf("%d",&n);
      for(i=0;i<=4;i++)
      {
      if(arr[i]==n)
      {
      flag=1;
      printf("n Number is found at %d location",i+1);
       }
      }
      if(flag==0)
      {
      printf("Number is not found");
      }

       
    }
Assignments of Two Dimensional Array (17 programs)
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[3][3],i,j;
    printf("Enter array elements:");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
   scanf("%d",&arr[i][j]);
    }}
    printf("The array elements are:");
    printf("n");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
   printf("%d",arr[i][j]);
    }
    printf("n");
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[2][2],arr1[2][2],i,j;
    printf("Enter array elements:");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
   scanf("%d",&arr[i][j]);
    }}
    printf("n The copy of the matrix is:");
    printf("n");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
    arr1[i][j]=arr[i][j];
   printf("%d",arr1[i][j]);
    }
    printf("n");
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[2][2],arr1[2][2],i,j;
    printf("Enter array elements:");
    for(i=0;i=0;i--)
    {
    for(j=1;j>=0;j--)
    {
    arr1[i][j]=arr[i][j];
   printf("%d",arr1[i][j]);
    }
    printf("n");
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[2][2],arr1[2][2],i,j;
    printf("Enter array elements:");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
   scanf("%d",&arr[i][j]);
    }}
    printf("n The copy of the matrix is:");
    printf("n");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
    arr1[i][j]=arr[i][j];
   printf("%d",arr1[i][j]);
    }
    printf("n");
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[2][2],i,j;
    printf("Enter the elements of the matrix:");
    for(i=0;i=0;i--)
    {
    for(j=1;j>=0;j--)
    {
   printf("%d",arr[i][j]);
    }
    printf("n");
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
   int arr[2][2],i,j,sum=0;
    printf("Enter the elements of the matrix:");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
   scanf("%d",&arr[i][j]);
    }}
    printf("n The sum of elements is:");
    printf("n");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
    sum=sum+arr[i][j];
   printf("%d+",arr[i][j]);
    }}
    printf("b=%d",sum);
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
    printf("Enter the elements first matrix:");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
   scanf("%d",&arr1[i][j]);
    }}
    printf("n Enter the element of second matrix:");
   
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
    scanf("%d",&arr2[i][j]);
    }}
   printf("n The sum of two matrices is:");
    printf("n");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
    arr3[i][j]=arr1[i][j]+arr2[i][j];
    printf("%d",arr3[i][j]);
    }
    printf("n");
        }
     
    }
#include<stdio.h>
     
    #include<stdlib.h>
    void main()
    {
    int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
    printf("Enter the elements first matrix:");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
   scanf("%d",&arr1[i][j]);
    }}
    printf("n Enter the element of second matrix:");
   
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
    scanf("%d",&arr2[i][j]);
    }}
   printf("n The subtraction of two matrices is:");
    printf("n");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
    arr3[i][j]=arr1[i][j]-arr2[i][j];
    printf("%d",arr3[i][j]);
    }
    printf("n");
        }
     
    }
#include<stdio.h>
     
        void main()
    {
    int arr1[3][3],arr2[3][3],arr3[3][3],i,j;
    printf("Enter the elements first matrix:");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
   scanf("%d",&arr1[i][j]);
    }}
    printf("n Enter the element of second matrix:");
   
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
    scanf("%d",&arr2[i][j]);
    }}
   printf("n The division of two matrices is:");
    printf("n");
    for(i=0;i<3;i++)
    {
    for(j=0;j<3;j++)
    {
    arr3[i][j]=arr1[i][j]/arr2[i][j];
    printf("%d",arr3[i][j]);
    }
    printf("n");
        }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[2][2],arr1[2][2],arr2[2][2],i,j,k;
    printf("Enter the elements of first matrix:");
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
   scanf("%d",&arr[i][j]);
    }}
    for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
    printf("%d",arr[i][j]);
    }}
   printf("n Enter the elements of the second matrix:");
   for(i=0;i<2;i++)
    {
    for(j=0;j<2;j++)
    {
    scanf("%d",&arr1[i][j]);
    printf("%d",arr3[i][j]);
    }}
    for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     printf("%d",arr1[i][j]);
        }
        printf("n");
        }
        printf("nThe multiplication is");
        printf("n");
        for(i=0;i<2;i++);
        {
        for(j=0;j<2;j++);
        {
        arr2[i][j]=0;
        for(k=0;k<2;k++);
        {
        arr2[i][j]=arr2[i][j]+arr[i][k]*arr1[k][j];
        }
        printf("%d",arr2[i][j]);
    }
    printf("n");
    {
     
    }}
#include<stdio.h>
     
    #include<stdlib.h> 
    void main()
    {
    int arr[2][2],i,j,large=0,k,l;
    printf("Enter the element:");
    for(i=0;ilarge)
     {
     large=arr[i][j];
     k=i+1;
     i=j+1;
     }}}
     printf("The greatest element is %d and present in %d row and in %d column",large,k,i);
    {
     
    }
#include<stdio.h>
     
    
    void main()
    {
    int arr[2][2],i,j,k,l;
    int small;
    printf("Enter the element:");
    for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     scanf("%d",&arr[i][j]);
     }}
     printf("n The elements of the matrix are: ");
     printf("n");
     for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     printf("%d",arr[i][j]);
     }
     printf("n");
     }
     small=arr[i][j];
     for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     if(arr[i][j]<small)
     {
     small=arr[i][j];
     k=i+1;
     i=j+1;
     }}}
     printf("The smallest element is %d and present in %d row and in %d column",small,k,l");
    
     
    }
#include<stdio.h>
     
    
    void main()
    {
    int arr[2][2],i,j,k,l;
    int small;
    printf("Enter the element:");
    for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     scanf("%d",&arr[i][j]);
     }}
     printf("n The elements of the matrix are: ");
     printf("n");
     for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     printf("%d",arr[i][j]);
     }
     printf("n");
     }
    printf("n The transpose of the matrix is:"); 
    printf("n");
     for(i=0;i<2;i++)
    {
     for(j=0;j<2;j++)
     {
     printf("%d",arr[j][i]);
     }
    {
     printf("n");
     }    
     
    }}
#include<stdio.h>
     
        void main()
    {
    int arr[3][3],i,j,n,flag=1;
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     scanf("%d",&arr[i][j]);
     }}
     printf("n The elements of array is: ");
     printf("n");
     for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     printf("%d",arr[i][j]);
     }
     printf("n");
     }
     printf("n Enter any no.which you want to search: ");
     scanf("%d",&n);
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     if(arr[i][j]==n)
     {
     flag=0;
    printf("Number is found at %d row and %d column",i+1,j+1);
     }}}
     if(flag==1)
     {
     printf("number is not found");
    }
     
    }
#include<stdio.h>
     
    #include<stdlib.h> 
  <!--  void main()
    {
    int arr[3][3],i,j;
    printf("Enter the square matrix:");
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     scanf("%d",&arr[i][j]);
     }}
     printf("n The elements are: ");
     printf("n");
     for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     printf("%d",arr[i][j]);
     }
     printf("n");
     }
    printf("The left diagonal is:");
     for(i=0;i<3;i++)
    {
     for(j=0;j<=i;j++)
     {
        printf("%d",arr[i][j]);
    }
     
    }}
#include<stdio.h>
     
    void main()
    {
    int arr[3][3],i,j;
    printf("Enter the square matrix:");
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     scanf("%d",&arr[i][j]);
     }}
     printf("n The elements are: ");
     printf("n");
     for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     printf("%d",arr[i][j]);
     }
     printf("n");
     }
    printf("The lower triangle is :");
     for(i=1;i<3;i++)
    {
     for(j=0;j<=i;j++)
     {
        printf("%d",arr[i][j]);
    }
     
    }}
#include<stdio.h>
     
       void main()
    {
    int arr[3][3],i,j;
    printf("Enter the square matrix:");
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     scanf("%d",&arr[i][j]);
     }}
     printf("n The elements are: ");
     printf("n");
     for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
     printf("%d",arr[i][j]);
     }
     printf("n");
     }
    printf("The lower triangle is:");
     for(i=0;i<2;i++)
    {
     for(j=i+1;j<=2;j++)
     {
        printf("%d",arr[i][j]);
    }
     
    }}
Assignments of Character Array (14 programs)
#include<stdio.h>
     
       void main()
    {
    char name[30];
    printf("Enter a string");
    scanf("%s",&name);
    printf("You entered: %s",name);
    }
    {
     
}
#include<stdio.h>
     
       void main()
    {
    char name[30];
    printf("Enter a string");
    gets(name);
    printf("You entered:);
    puts(name);
    }
    {
     
}
#include<stdio.h>
     
       void main()
    {
    char name[20],i,j;
    printf("Enter a string");
    gets(name);
    for(i=0;name[i]!='';i++);
    {
    printf("Entered string is:");
    }
    for(j=i-1;j>=0;j--)
    {
    printf("%c",name[j]);
    }
     
}
#include<stdio.h>
     
       void main()
    {
    char name[20],i;
    printf("Enter a string");
    gets(name);
    for(i=0;name[i]!='';i++);
    printf("The length of the string is: %d",i);
     
}
#include<stdio.h>
     
       void main()
    {
    char name[20],i;
    printf("Enter a string in uppercase");
    gets(name);
    printf("nThe string in lowercase");
    for(i=0;name[i]!='';i++)
    {
    if((name[i]>='A')&&(name[i]<='Z'))
    {
    name[i]=name[i]+32;
    }}
    puts(name);
    {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[20],i;
    printf("Enter a string in lowercase");
    gets(name);
    printf("nThe string in uppercase");
    for(i=0;name[i]!='';i++)
    {
    if((name[i]>='a')&&(name[i]<='z'))
    {
    name[i]=name[i]-32;
    }}
    puts(name);
    {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[20];
    int i,cnt=0;
    printf("Enter a string in lowercase:");
    gets(name);
    printf("nThe vowels are: ");
    for(i=0;name[i]!='';i++)
    {
    if((name[i]=='a')||(name[i]=='e')||(name[i]=='i')||(name[i]=='o')||(name[i]=='u'))
    {
    printf("%c",name[i]);
    cnt++;
    }}
    printf("n The number of vowel is:%d",cnt);
    {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[20];
    int i,cnt=0;
    printf("Enter a string:");
    gets(name);
    printf("nThe consonents are: ");
    for(i=0;name[i]!='';i++)
    {
    if((name[i]!='a')&&(name[i]!='e')&&(name[i]!='i')&&(name[i]!='o')&&(name[i]!='u'))
    {
    printf("%c",name[i]);
    cnt++;
    }}
    printf("n The number of consonents  are:%d",cnt);
    {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[20],name1[20];
    int i,cnt=0;
    printf("Enter a string");
    gets(name);
    printf("nThe copy of string:");
    for(i=0;name[i]!='';i++)
    {
    name1[i]=name[i];
    printf("%c",name[i]);
    }
    {
     
}}
#include<stdio.h>
     
       void main()
    {
    char str1[20],str2[2],str3[20];
    int i,j;
    printf("Enter first string:");
    scanf("%s",&str1);
    printf("Enter second  string:");
    scanf("%s",&str2);
    for(i=0;str1[i]!='';i++)
    {
    str3[i]=str1[i];
    }
    for(j=0;str2[j]!='';j++)
    {
    str3[i]=str2[i];
    i++;
    }
    str3[i]='';
    printf("n%s",str3);
    {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[20];
    int i,wrd=0;
    
    printf("Enter a sentence:");
    gets(name);
    printf("The number of words are:");
    for(i=0;name[i]!='';i++)
    {
    if(name[i]=='')
    wrd++;
       }
       printf("%d",wrd+1);
        {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[30];
    int i,spc=0;
    printf("Enter a sentence:");
    gets(name);
    printf("The number of spaces are:");
    for(i=0;name[i]!='';i++)
    {
    if(name[i]=='')
    spc++;
       }
       printf("%d",spc+1);
        {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[30];
    int i,lwr=0;
    printf("Enter a sentence:");
    gets(name);
    printf("The numbers of lower case letters are:");
    for(i=0;name[i]!='';i++)
    {
    if(name[i]>='a')&&(name[i]<='z'))
    lwr++;
       }
       printf("%d",lwr);
        {
     
}}
#include<stdio.h>
     
       void main()
    {
    char name[30];
    int i,upr=0;
    printf("Enter a sentence:");
    gets(name);
    printf("The numbers of upper case letters are:");
    for(i=0;name[i]!='';i++)
    {
    if(name[i]>='A')&&(name[i]<='Z'))
    upr++;
       }
       printf("%d",upr);
        {
     
}}
Assignments of Pointer (7 programs)
#include<stdio.h>
     
    void main()
    {
    int num1,num2,res;
   int *aptr,*bptr,*cptr;
   printf("Enter first number ");
   scanf("%d",&num1);
   printf("Enter second number ");
   scanf("%d",&num2);
   aptr=&num1;
   bptr=&num2;
   cptr=&res;
   *cptr=(*aptr)+(*bptr);
   printf("n sum is %d",*cptr);
       
    }
#include<stdio.h>
     
    void main()
    {
    int num1,num2,temp;
   int *aptr,*bptr,*cptr;
   printf("Enter first number ");
   scanf("%d",&num1);
   printf("Enter second number ");
   scanf("%d",&num2);
   printf("n Values before swapping is : num1=%d, num2=%d",num1,num2);
   aptr=&num1;
   bptr=&num2;
  temp=*aptr;
  *aptr=*bptr;
  *bptr=temp;
   printf("n Values after swapping is : num1=%d, num2=%d",*aptr,*bptr);

       
    }
#include<stdio.h>
     
    void main()
    {
    int arr[5],i,*ptr;
   for(i=0;i=0;i--)
   {
    ptr=&arr[i];
    printf(" %d",*ptr);
   }

       
    }
#include<stdio.h>
     
    void main()
    {
    int arr[5],i,*ptr,sum=0;
   for(i=0;i<5;i++)
   {
    printf("Enter array elements ");
    scanf("%d",&arr[i]);
   }
   printf("n The sum of array elements is: ");
   for(i=0;i<=4;i++)
   {
    ptr=&arr[i];
    sum=sum+(*ptr);
   }
   printf(" %d",sum);
       
    }
#include<stdio.h>
     
    void main()
    {
    int arr1[5],arr2[5],sum[5],i;
    int *ptr1,*ptr2,*res;
      printf("Enter array elements in first array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr1[i]);
      }
      printf("Enter array elements in second array ");
      for(i=0;i<=4;i++)
      {
      scanf("%d",&arr2[i]);
      }
      printf("n The sum of array elements is :n");
      for(i=0;i<=4;i++)
      {
      ptr1=&arr1[i];
      ptr2=&arr2[i];
      res=&sum[i];
      *res=*ptr1+(*ptr2);
       printf(" %d",*res);
      }

       
    }
#include<stdio.h>
     
    void main()
    {
    
    int i,num,*ptr;
    printf("Enter the number for the limit of series:");
    scanf("%d",&num);
    for(i=0;i<=num;i++)
    {
       ptr=&i;
       printf(" %d",*ptr);
    }
       
    }
#include<stdio.h>
     
    void main()
    {
    int arr[3][3],i,j,sum=0;
int *ptr;
printf("Enter array elements: n");
for(i=0;i<3;i++)
{
 for(j=0;j<3;j++)
 {
  scanf("%d",&arr[i][j]);
 }
}
printf("n The sum of array elements is: n");
for(i=0;i<3;i++)
{
 for(j=0;j<3;j++)
 {
 ptr=&arr[i][j];
 sum=sum+arr[i][j];
 }}
 printf("n %d",sum);

       
    }
Assignments of Structure (6 programs)
#include<stdio.h>
     
    
     struct student
  {
  char name[10];
  int subject[9];
  };
void main()
{
  struct student st;
  int sum=0,avg,i;
  printf("Enter name");
  gets(st.name);
  for(i=0;i<9;i++)
  {
   printf("Enter the marks of %d subject",i+1);
   scanf("%d",&st.subject[i]);
   sum=sum+st.subject[i];
  }
  avg=sum/9;
  printf("n Average of nine subjects is %d",avg);
             
    }
#include<stdio.h>
     
    struct employee
{
  char name[10];
  int salary;
  int id;
};

void main()
{
int i;
struct employee emp[5];
for(i=0;i<5;i++)
{
 printf("Enter name");
 //gets(emp[i].name);
 scanf("%s",&emp[i].name);
 printf("Enter salary");
 scanf("%d",&emp[i].salary);
 printf("Enter id");
 scanf("%d",&emp[i].id);
}
for(i=0;i<5;i++)
{
  printf("n Name is %s",emp[i].name);
  printf("n Salary is %d",emp[i].salary);
  printf("n Id is %d",emp[i].id);
 }
         
    }
#include<stdio.h>
     
    struct student
{
  char name[10];
  int subject[5];
};
void main()
{
  struct student st[5];
  int sum,avg,i,j;
  for(i=0;i<5;i++)
  {
  sum=0;
  printf("Enter name");
  scanf("%s",&st[i].name);
  printf("nEnter the marks of %d studentnn",i+1);
  for(j=0;j<5;j++)
  {
   printf("nEnter the marks of %d subject",j+1);
   scanf("%d",&st[i].subject[j]);
   sum=sum+st[i].subject[j];

  }
   avg=sum/5;
  printf("n Average marks of %d student is %d",i+1,avg);
  printf("n");
  }
         
    }
#include<stdio.h>
     
    struct student
{
  char name[10];
  int subject[5];
};
void main()
{
  struct student st,*ptr;
  ptr=&st;
  int sum=0,avg,i;
  printf("Enter name");
  gets(ptr->name);
  for(i=0;i<5;i++)
  {
   printf("Enter the marks of %d subject",i+1);
   scanf("%d",&ptr->subject[i]);
   sum=sum+ptr->subject[i];
  }
  avg=sum/5;
  printf("n Average of nine subjects is %d",avg);

         
    }
#include<stdio.h>
     
   struct student
{
  char name[10];
  int subject[5];
};
void main()
{
  struct student st[5],*ptr;

  int sum,avg,i,j;
  for(i=0;i<5;i++)
  {
  ptr=&st[i];
  sum=0;
  printf("Enter name");
  scanf("%s",&ptr->name);
  printf("nEnter the marks of %d studentnn",i+1);
  for(j=0;j<5;j++)
  {
   printf("nEnter the marks of %d subject",j+1);
   scanf("%d",&ptr->subject[j]);
   sum=sum+ptr->subject[j];

  }
   avg=sum/5;
  printf("n Average marks of %d student is %d",i+1,avg);
  printf("nn");
  }
         
    }
#include<stdio.h>
     
   struct student
{
    int rollno;
    char name[10];
    int fee;
}st;

void main()
{
void display(struct student*);
printf("Enter name : ");
scanf("%s",&st.name);
printf("Enter rollno : ");
scanf("%d",&st.rollno);
printf("Enter fee : ");
scanf("%d",&st.fee);
display(&st);

  
}
void display(struct student *st)
{
 printf("n Name is %s",st->name);
 printf("n Rollno is %d",st->rollno);
 printf("n Fee is %d",st->fee);
}
Assignments of File Handling (10 programs)
#include<stdio.h> void main(){FILE *fptr;fptr=fopen("first.txt","w");fprintf(fptr,"Welcome to Compuhelp");fclose(fptr);  }
#include<stdio.h> void main(){FILE *fptr;int num;fptr=fopen("first.txt","w");printf("Enter a number ");scanf("%d",&num);fprintf(fptr,"%d",num);printf("Data saved");fclose(fptr);  }
#include<stdio.h> void main(){FILE *fptr;int num;fptr=fopen("first.txt","w");printf("Enter a number ");scanf("%d",&num);fprintf(fptr,"%d",num);printf("Data saved");fclose(fptr);fptr=fopen("first.txt","r");fscanf(fptr,"%d",&num);printf("n Value of num= %d",num);fclose(fptr);  }
#include<stdio.h> void main(){FILE *fptr;int num;fptr=fopen("first.txt","w");printf("Enter a number ");scanf("%d",&num);fprintf(fptr,"%d",num);printf("Data saved");fclose(fptr);fptr=fopen("first.txt","r");fscanf(fptr,"%d",&num);printf("n Now writing into anoter file"); fptr=fopen("second.txt","w");   fprintf(fptr,"%d",num);fclose(fptr);  }
#include<stdio.h>#include<stdlib.h> void main(){FILE *fptr;char ch;fptr=fopen("string.txt","w");if(fptr==NULL){printf("Error in opening file ");exit(1);}fprintf(fptr,"welcome you in COMPUHELP");printf("Data savedn");fclose(fptr);fptr=fopen("string.txt","r");while(ch!=EOF){ ch=fgetc(fptr); printf("%c",ch);}fclose(fptr);  }
#include<stdio.h>#include<stdlib.h> void main(){FILE *fptr;char ch;int count=0;fptr=fopen("string.txt","w");if(fptr==NULL){printf("Error in opening file ");exit(1);}fprintf(fptr,"welcome you in COMPUHELP");printf("Data savedn");fclose(fptr);fptr=fopen("string.txt","r");while(ch!=EOF){ ch=fgetc(fptr); printf("%c",ch); count++;}printf("n The number of characters are: %d",count);fclose(fptr);  }
#include<stdio.h>#include<stdlib.h> void main(){FILE *fptr;char ch;int count=0;fptr=fopen("string.txt","w");if(fptr==NULL){printf("Error in opening file ");exit(1);}fprintf(fptr,"welcome you in COMPUHELP");printf("Data savedn");fclose(fptr);fptr=fopen("string.txt","r");while(ch!=EOF){ ch=fgetc(fptr);if(ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u'||ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U'){ count++; printf("%c ",ch); }}printf("n The number of vowels are: %d",count);fclose(fptr);  }
#include<stdio.h>#include<stdlib.h> void main(){FILE *fptr;char ch;int upr=0,lwr=0;fptr=fopen("string.txt","w");if(fptr==NULL){printf("Error in opening file ");exit(1);}fprintf(fptr,"welcome you in COMPUHELP");printf("Data savedn");fclose(fptr);fptr=fopen("string.txt","r");while(ch!=EOF){ ch=fgetc(fptr);if(ch>=65 && ch<=90){ upr++; //printf("%c ",ch); } if(ch>=97 && ch<=122) {  lwr++;   //printf("%c ",ch); }}printf("n The number of Uppers are: %d",upr);printf("n The number of Lowers are: %d",lwr);fclose(fptr);  }
#include<stdio.h>#include<stdlib.h> void main(){FILE *fptr;char ch;int space=0,word=0;fptr=fopen("string.txt","w");if(fptr==NULL){printf("Error in opening file ");exit(1);}fprintf(fptr,"welcome you in COMPUHELP");printf("Data savedn");fclose(fptr);fptr=fopen("string.txt","r");while(ch!=EOF){ ch=fgetc(fptr);if(ch==' '){space++;word++;}}printf("n The number of Spaces are: %d",space);printf("n The number of Words are: %d",(word+1));fclose(fptr);  }
#include<stdio.h>#include<stdlib.h> void main(){FILE *fptr;char ch;int line=0;fptr=fopen("string.txt","w");if(fptr==NULL){printf("Error in opening file ");exit(1);}fprintf(fptr,"welcome you in COMPUHELPn Thanks to Join CompuhelpnBye");printf("Data savedn");fclose(fptr);fptr=fopen("string.txt","r");while(ch!=EOF){ ch=fgetc(fptr);if(ch=='n'){line++;}}printf("n The number of Lines are: %d",(line+1));fclose(fptr);  }
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