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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_decade_apostrophes_long(text):
 """Check the text for dates of the form XXX0's."""

    err = "dates_times.dates"
    msg = u"Apostrophes aren't needed for decades."

    regex = "\d\d\d0\'s"
    return existence_check(text, [regex], err, msg)