An isEven function is used to determine whether a given number is divisible evenly by 2, meaning it's an even number.
isOdd Function: The opposite of an isEven function, it determines whether a given number is not divisible evenly by 2.
Modulus Operator (%): A mathematical operator that returns the remainder when one number is divided by another.
Boolean Data Type: A data type that represents either true or false values, commonly used with conditional statements.