<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def bind(self, sock):
 """Wrap and return the given socket."""

        if self.context is None:
            self.context = self.get_context()
        conn = SSLConnection(self.context, sock)
        self._environ = self.get_environ()
        return conn