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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 get_target_input(module, input, output):
 """A forward hook which saves the tensor - attached to its graph. Used if we want to explain the interim outputs of a model """

    try:
        del module.target_input
    except AttributeError:
        pass
    setattr(module, 'target_input', input)