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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 naive( year, month, day, hour=0, minute=0, second=0, microsecond=0 ):
 # type: (int, int, int, int, int, int, int) -> DateTime """ Return a naive DateTime. """

    return DateTime(year, month, day, hour, minute, second, microsecond)