C programming-Printf() & scanf()-part-2

Usage of Printf() & scanf()

printf() --- we use printf() for output some thing in c , printf() is a bulit-in function of C, which is define in <stdio.h> header file.

example: write something in printf(),like

printf("Hello freeboighor");

format of printf() function

printf("expected string",argument_list);

we can showing integer, string, float, character etc by printf(), We will do later.

output: Hello freeboighor

scanf() ---- we use scanf() to get value in c , scanf() is also a bulit-in function of C, which is define in <stdio.h> header file.example will show in later.

printf() output those values which you get by scanf() after doing some processing.

Example of printf() & scanf()

#include<stdio.h>

int main(){

int number;

printf("Enter a number:");

scanf("%d",&number);

printf("The number is : %d ",number)

printf("result is : %d ",number*number);

return 0;

}

Output :

Enter a number: 3

The number is : 3

result is : 9

We can also doing Addition ,Subtraction,Division. And have different type of way to do this

we do it later

Tag: Printf() & scanf(),Printf() & scanf() in c programming