def parse_response_for_async_op(response):
if response is None:<EOL><INDENT>return None<EOL><DEDENT>result = AsynchronousOperationResult()<EOL>if response.headers:<EOL><INDENT>for name, value in response.headers:<EOL><INDENT>if name.lower() == '<STR_LIT>':<EOL><INDENT>result.request_id = value<EOL><DEDENT><DEDENT><DEDENT>return result<EOL>
Extracts request id from response header.