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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 pop_scope(self):
 """Delete the current scope in the current scope."""

        child_scope = self.stack.current.current.copy()
        self.stack.current.pop()
        parent_scope = self.stack.current.current.copy()
        self.stack.current.current = {
            key: child_scope[key] for key in child_scope if key in parent_scope
        }