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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 decode_return(codec="ascii"):
 """Decodes the return value of it isn't None"""


    def outer(f):
        def wrap(*args, **kwargs):
            res = f(*args, **kwargs)
            if res is not None:
                return res.decode(codec)
            return res
        return wrap
    return outer