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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 is_proxy(elt):
 """Return True if elt is a proxy. :param elt: elt to check such as a proxy. :return: True iif elt is a proxy. :rtype: bool """


    if ismethod(elt):
        elt = get_method_function(elt)

    result = hasattr(elt, __PROXIFIED__)

    return result