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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 parse_date_created(dct):
 """Helper function to parse date-created from profile."""

    date = dct['date-created']
    if date:
        return (int(date['@year']), int(date['@month']), int(date['@day']))
    else:
        return (None, None, None)