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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_wells(self, uwis=None):
 """ Returns a new Project with only the wells named by UWI. Args: uwis (list):
 list or tuple of UWI strings. Returns: project. """

        if uwis is None:
            return Project(self.__list)
        return Project([w for w in self if w.uwi in uwis])