human
Write me a the Python code you requested given the following:
Complete the below
def assert_endpoint_response(ar, path, code, assert_stderr=None, headers=None, cookies=None, assertions=None):

    ''''Asserts response code and log messages in Admin Router stderr for
    request against specified path.
    Arguments:
    ar (Nginx): Running instance of the AR
    code (int): Expected response code
    assert_stderr (dict): LineBufferFilter compatible definition of messages
    to assert
    cookies (dict): Optionally provide request cookies
    headers (dict): Optionally provide request headers
    assertions (List[lambda r]) Optionally provide additional assertions
    for the response'
    '''
assistant
#Here is the Python code you requested.
    def body():
        r = requests.get(ar.make_url_from_path(path), headers=headers, cookies=cookies)
        assert (r.status_code == code)
        if assertions:
            for func in assertions:
                assert func(r)
    if (assert_stderr is not None):
        lbf = LineBufferFilter(assert_stderr, line_buffer=ar.stderr_line_buffer)
        with lbf:
            body()
        assert (lbf.extra_matches == {})
    else:
        body()