Write a program that reads a number on the keyboard without telling the user to enter a value and then displays the word $\texttt{what?!}$ on the screen and then go to a new line.

Difficulty level
This exercise is mostly suitable for students 
#include <stdio.h>

int main()
{
    double x;
    scanf("%lf",&x);
    printf("What?!\n");

    return 0;
}
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