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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 create_random(cls, gene_length, n=1, gene_class=BinaryGene):
 """ Create 1 or more chromosomes with randomly generated DNA. gene_length: int (or sequence of ints) describing gene DNA length n: number of chromosomes to create (default=1); returns a list if n>1, else a single chromosome gene_class: subclass of ``ga.chromosomes.BaseGene`` to use for genes return: new chromosome """

        assert issubclass(gene_class, BaseGene)
        chromosomes = []

        # when gene_length is scalar, convert to a list to keep subsequent code simple
        if not hasattr(gene_length, '__iter__'):
            gene_length = [gene_length]

        for _ in range(n):
            genes = [gene_class.create_random(length) for length in gene_length]
            chromosomes.append(cls(genes))

        if n == 1:
            return chromosomes[0]
        else:
            return chromosomes