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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 pass_defaults(func):
 """Decorator that returns a function named wrapper. When invoked, wrapper invokes func with default kwargs appended. Parameters func : callable The function to append the default kwargs to """

    @functools.wraps(func)
    def wrapper(self, *args, **kwargs):
        merged = {}
        merged.update(self.defaults)
        merged.update(kwargs)
        return func(self, *args, **merged)
    return wrapper