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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def randomize_nick(cls, base, suffix_length=3):
 """ Generates a pseudo-random nickname. :param base: prefix to use for the generated nickname. :type base: unicode :param suffix_length: amount of digits to append to `base` :type suffix_length: int :return: generated nickname. :rtype: unicode """

        suffix = u''.join(choice(u'0123456789') for _ in range(suffix_length))
        return u'{0}{1}'.format(base, suffix)