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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 get_login_information(self, code=None):
 """Return Clef user info after exchanging code for OAuth token."""

        # do the handshake to get token
        access_token = self._get_access_token(code)
        # make request with token to get user details
        return self._get_user_info(access_token)