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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 users_text(self):
 """Return connected users information and collect if not available."""

        if self._users_text is None:
            self.chain.connection.log("Getting connected users text")
            self._users_text = self.driver.get_users_text()
            if self._users_text:
                self.chain.connection.log("Users text collected")
            else:
                self.chain.connection.log("Users text not collected")
        return self._users_text