Question

 write a program that writes even numbers sequentially,

Answer 1

#include <stdio.h>

void main()
{
    int max,i;
    printf("Enter the value till where you would like to print the even numbers\n");
    scanf("%d",&max);
    for(i=2;i<=max;i++)
    {
        if((i%2)==0)
            printf("%d\t",i);
    }
}

Comments

num=int(input('Enter Number'))
for x in range(0,num+1):
    if x%2==0:
        print (x)