Printf() & Scanf() function

printf() and scanf() functions are used for input and output and it  is inbuilt library function define in #include<stdio.h> header file.

Printf() function:

1. Printf() function is used to print message / argument / output.
2. It print given argument.

Printf() function Syntax:

1. printf("format string",argument_list);  

The format string can be %d (integer), %c (character), %s (string), %f (float) etc.

Scanf() function:

1. Scanf() function is used to read data from user.
2. Scanf() function is used for input.

Scanf() function Syntax:

1. scanf("format string",argument_list);  

The format string can be %d (integer), %c (character), %s (string), %f (float) etc.

Example

1. #include<stdio.h>    
2. int main(){    
3. int marks;    
4. printf("Enter a Marks:");    
5. scanf("%d",&marks);    
6. printf("You have enter marks is:%d ",marks);    
7. }    

The scanf("%d",&marks) statement reads integer number from the console and stores the given value in number variable.

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