human
Complete the below
def from_time(year=None, month=None, day=None, hours=None, minutes=None, seconds=None, microseconds=None, timezone=None):

    ''''Convenience wrapper to take a series of date/time elements and return a WMI time
    of the form `yyyymmddHHMMSS.mmmmmm+UUU`. All elements may be int, string or
    omitted altogether. If omitted, they will be replaced in the output string
    by a series of stars of the appropriate length.
    :param year: The year element of the date/time
    :param month: The month element of the date/time
    :param day: The day element of the date/time
    :param hours: The hours element of the date/time
    :param minutes: The minutes element of the date/time
    :param seconds: The seconds element of the date/time
    :param microseconds: The microseconds element of the date/time
    :param timezone: The timeezone element of the date/time
    :returns: A WMI datetime string of the form: `yyyymmddHHMMSS.mmmmmm+UUU`'
    '''
 ... What is a the Python program you requested?
assistant
#Here is the Python program you requested.
    def str_or_stars(i, length):
        if (i is None):
            return ('*' * length)
        else:
            return str(i).rjust(length, '0')
    wmi_time = ''
    wmi_time += str_or_stars(year, 4)
    wmi_time += str_or_stars(month, 2)
    wmi_time += str_or_stars(day, 2)
    wmi_time += str_or_stars(hours, 2)
    wmi_time += str_or_stars(minutes, 2)
    wmi_time += str_or_stars(seconds, 2)
    wmi_time += '.'
    wmi_time += str_or_stars(microseconds, 6)
    if (timezone is None):
        wmi_time += '+'
    else:
        try:
            int(timezone)
        except ValueError:
            wmi_time += '+'
        else:
            if (timezone >= 0):
                wmi_time += '+'
            else:
                wmi_time += '-'
                timezone = abs(timezone)
                wmi_time += str_or_stars(timezone, 3)
    return wmi_time