import random


def random_color(s):
    """
    The function returns a random RGB color;
    It helps to get random colors since the number of variables is not known
    """
    number_of_colors = s
    color = ["#" + ''.join([random.choice('0123456789ABCDEF') for j
                            in range(6)])
             for i in range(number_of_colors)]
    return color