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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 register(self, entry_point):
 """Register a converter :param string entry_point: converter to register (entry point syntax) :raise: ValueError if already registered """

        if entry_point in self.registered_converters:
            raise ValueError('Already registered')
        self.registered_converters.insert(0, entry_point)