What is the use of printf() and scanf() functions?

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printf(): The printf() function is used to print the integer, character, float and string values on to the screen.
Following are the format specifier:

%d: It is a format specifier used to print an integer value.
%s: It is a format specifier used to print a string.
%c: It is a format specifier used to display a character value.
%f: It is a format specifier used to display a floating point value.

scanf(): The scanf() function is used to take input from the user.

What is the use of printf() and scanf() functions?

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