Write a function that calculates the cube of any number passed as paramater.

Difficulty level
This exercise is mostly suitable for students 
#include<stdio.h>
#include<conio.h>
 
double cube(double nb)
{
	return (nb * nb * nb);
}

void main()
{
	int nb;

	printf("Enter a number: ");
	scanf("%d", &nb);

	printf("Cube of %d is %.2lf\n", nb, cube(nb));

	getch();
}
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