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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 was_run_code(self, get_all=True):
 """Get all the code that was run."""

        if self.stored is None:
            return ""
        else:
            if get_all:
                self.stored = ["\n".join(self.stored)]
            return self.stored[-1]