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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_prtflds_default(self):
 """Get default fields."""

        return self._fldsdefprt[:-1] + \
               ["p_{M}".format(M=m.fieldname) for m in self.method_flds] + \
               [self._fldsdefprt[-1]]