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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 define_function(self, function, name=None):
 """Define the Python function within the CLIPS environment. If a name is given, it will be the function name within CLIPS. Otherwise, the name of the Python function will be used. The Python function will be accessible within CLIPS via its name as if it was defined via the `deffunction` construct. """

        name = name if name is not None else function.__name__

        ENVIRONMENT_DATA[self._env].user_functions[name] = function

        self.build(DEFFUNCTION.format(name))