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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 prep(self, wait, args, env=None):
 """ Given the return value of a preparefunc, prepare this CompatStarter. """

        self.pattern = wait
        self.env = env
        self.args = args

        # wait is a function, supersedes the default behavior
        if callable(wait):
            self.wait = lambda lines: wait()