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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 get_iso_time(date_part, time_part):

 r"""Combign date and time into an iso datetime."""

    str_date = datetime.datetime.strptime(
        date_part, '%m/%d/%Y').strftime('%Y-%m-%d')
    str_time = datetime.datetime.strptime(
        time_part, '%I:%M %p').strftime('%H:%M:%S')

    return str_date + "T" + str_time + "-7:00"