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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 _handle_eio_connect(self, sid, environ):
 """Handle the Engine.IO connection event."""

        if not self.manager_initialized:
            self.manager_initialized = True
            self.manager.initialize()
        self.environ[sid] = environ
        return self._handle_connect(sid, '/')