Calculate the Square of a Number Using Arrow Function
Use an arrow function to define a function named calculateSquare that takes one parameter: num, which is a number. The function should return the square of the number.
Example 1
Input: calculateSquare(5);
Output: 25
Example 2
Input: calculateSquare(0);
Output: 0
Example 3
Input: calculateSquare(-3);
Output: 9
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