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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 input(self):
 """Dictionary access to all input variables That can be boundary conditions and other gridded quantities independent of the `process` :type: dict """

        input_dict = {}
        for key in self._input_vars:
            try:
                input_dict[key] = getattr(self,key)
            except:
                pass
        return input_dict