def check_num_of_letters(num_of_letters: int) -> int:
    """Accepts `num_of_letters` to check if it is less than 3.
    If `num_of_letters` is greater than or equals to 3, return `num_of_letters`
    as-is. Otherwise, return `num_of_letters` with the value of 6.

    Args: 
        num_of_letters (int)

    Returns: 
        num_of_letters (int)
    """
    if num_of_letters < 3:
        print("Number of letters defined by user is less than 3. \
            Using default value of 6.")
        return 6
    else:
        return num_of_letters