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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 move_datetime_month(dt, direction, num_shifts):
 """ Move datetime 1 month in the chosen direction. unit is a no-op, to keep the API the same as the day case """

    delta = relativedelta(months=+num_shifts)
    return _move_datetime(dt, direction, delta)