@staticmethod
def merge_two_dicts(x, y):
    """A helper method for Python 2.7 to 'zip' two dictionary objects

        :param x: This dictionary will be copied and y appended to the copy.
        :type x: dict.
        :param y: This dictionary will be appended with a copy of x.
        :type y: dict.
        :returns: dict

        """
    z = x.copy()
    z.update(y)
    return z
