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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 set_start_location(self, new_location):
        # type: (int) -> None
        '''
        A method to set the location of the start of the partition.

        Parameters:
         new_location - The new extent the UDF partition should start at.
        Returns:
         Nothing.
        '''
        if not self._initialized:
            raise pycdlibexception.PyCdlibInternalError('UDF Partition Volume Descriptor not initialized')
        self.part_start_location = new_location