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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 setData(self, data, setName=None):
 """ Assign the data in the dataframe to the AMPL entities with the names corresponding to the column names. Args: data: The dataframe containing the data to be assigned. setName: The name of the set to which the indices values of the DataFrame are to be assigned. Raises: AMPLException: if the data assignment procedure was not successful. """

        if not isinstance(data, DataFrame):
            if pd is not None and isinstance(data, pd.DataFrame):
                data = DataFrame.fromPandas(data)
        if setName is None:
            lock_and_call(
                lambda: self._impl.setData(data._impl),
                self._lock
            )
        else:
            lock_and_call(
                lambda: self._impl.setData(data._impl, setName),
                self._lock
            )