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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 Attach(self, Protocol=5, Wait=True):
 """Establishes a connection to Skype. :Parameters: Protocol : int Minimal Skype protocol version. Wait : bool If set to False, blocks forever until the connection is established. Otherwise, timeouts after the `Timeout`. """

        try:
            self._Api.protocol = Protocol
            self._Api.attach(self.Timeout, Wait)
        except SkypeAPIError:
            self.ResetCache()
            raise