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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 guess_function_name(next_line, regexps=FUNCTION_REGEXPS):
 """ Attempt to determine the function name from the first code line following the comment. The patterns recognized are described by `regexps`, which defaults to FUNCTION_REGEXPS. If a match is successful, returns the function name. Otherwise, returns None. """

    for regexp in regexps:
        match = re.search(regexp, next_line)
        if match:
            return match.group(1)
    return None