1.First programming in C

 stdio.h>

int main()

{

    int a=4;

    float b=5.7;

    // char c="a";

    printf("the value of a is %d\n",a);

    printf("The value of b is %f\n",b);

    // printf("The value of c is %c",c);

    // printf("Hello World");

    return 0;

}