The printf() and scanf() functions are used for output and input in c language. Both functions are inbuilt library functions, defined in stdio.h (header files).
printf() function :-
The printf() function is used for output. It prints the given statement to the console.
For example:-
#include<stdio.h>
int main()
{
printf("Hello World"); // printf() function
return 0;
}
out put: Hello World
scanf(_) function :-
The scanf() function is used for input. It reads the input data from the console.
for example:
#include<stdio.h>
int main()
{
int a, b, sum;
printf("Enter the value of a and b= ");
scanf("%d%d",&a,&b); // scanf() function
sum=a+b;
printf("Addition is = %d",sum);
return 0;
}
out put:
Enter the value of a and b= 12 & 29
Addtion is = 41


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