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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 to_snake_case(name):
 """ Convert the input string to snake-cased string. """

    s1 = first_cap_re.sub(r'\1_\2', name)
    # handle acronym words
    return all_cap_re.sub(r'\1_\2', s1).lower()