Input and Output

 In C to take the output on the screen we need to use predefined library function ΓÇ£printfΓÇ¥ and take the input from the user ΓÇ£scanfΓÇ¥.

 Format:

 printf(ΓÇ£<format string>ΓÇ¥,<list of vaiables>);

 scanf(ΓÇ£<format string>ΓÇ¥,<&variable);