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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 _check_algorithm_keys(item):
 """Check for unexpected keys in the algorithm section. Needs to be manually updated when introducing new keys, but avoids silent bugs with typos in key names. """

    problem_keys = [k for k in item["algorithm"].keys() if k not in ALGORITHM_KEYS]
    if len(problem_keys) > 0:
        raise ValueError("Unexpected configuration keyword in 'algorithm' section: %s\n"
                         "See configuration documentation for supported options:\n%s\n"
                         % (problem_keys, ALG_DOC_URL))