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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 next_monday(dt):
 """ If holiday falls on Saturday, use following Monday instead; if holiday falls on Sunday, use Monday instead """

    if dt.weekday() == 5:
        return dt + timedelta(2)
    elif dt.weekday() == 6:
        return dt + timedelta(1)
    return dt