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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 Ctrl_V(self, delay=0):
 """Ctrl + V shortcut. """

        self._delay(delay)
        self.add(Command("KeyDown", 'KeyDown "%s", %s' % (BoardKey.Ctrl, 1)))
        self.add(Command("KeyPress", 'KeyPress "%s", %s' % (BoardKey.V, 1)))
        self.add(Command("KeyUp", 'KeyUp "%s", %s' % (BoardKey.Ctrl, 1)))