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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 _MergeEntities(self, a, b):
 """Merges the fares if all the attributes are the same."""

    scheme = {'price': self._MergeIdentical,
              'currency_type': self._MergeIdentical,
              'payment_method': self._MergeIdentical,
              'transfers': self._MergeIdentical,
              'transfer_duration': self._MergeIdentical}
    return self._SchemedMerge(scheme, a, b)