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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 matchers(self):
 """All active matcher routines for completion"""

        # To remove python_matches we now have to override it as it's now a property in the superclass.
        return [
            self.file_matches,
            self.magic_matches,
            self.python_func_kw_matches,
            self.dict_key_matches,
        ]