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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 _update_file_args(self, file_mapping):
 """Adjust the arguments to deal with staging files to the scratch area"""

        for key, value in self.args.items():
            new_value = file_mapping.get(value, value)
            if new_value != value:
                self.args[key] = new_value