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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 words(min_size, max_size = None):
 """ Generates a random text that consists of random number of random words separated by spaces. :param min_size: (optional) a minimum number of words. :param max_size: a maximum number of words. :return: a random text. """

        max_size = max_size if max_size != None else min_size
        result = ""
        
        count = RandomInteger.next_integer(min_size, max_size)
        for i in range(count):
            result += random.choice(_all_words)

        return result