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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_well(self, uwi):
 """ Returns a Well object identified by UWI Args: uwi (string):
 the UWI string for the well. Returns: well """

        if uwi is None:
            raise ValueError('a UWI must be provided')
        matching_wells = [w for w in self if w.uwi == uwi]
        return matching_wells[0] if len(matching_wells) >= 1 else None