compare dicts with ignored_keys

def compare_dicts2(dict1, dict2, ignored_keys):
    ignored_keys = set(ignored_keys)
    keys1 = set(dict1) - ignored_keys
    keys2 = set(dict2) - ignored_keys
    if not keys1 == keys2:
        return False
    for key in keys1:
        if dict1[key] != dict2[key]:
            return False
    return True