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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 get_array(self):
 """Returns the array arguments for the job; usually a string."""

    # In python 2, the command line is unicode, which needs to be converted to string before pickling;
    # In python 3, the command line is bytes, which can be pickled directly
    return loads(self.array_string) if isinstance(self.array_string, bytes) else loads(self.array_string.encode())