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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 format_index_raw(data):
 """Create DatetimeIndex for the Dataframe localized to the timezone provided as the label of the third column. Parameters data: Dataframe Must contain columns 'Year' and 'DOY'. Timezone must be found as the label of the third (time) column. Returns ------- data: Dataframe The data with a Datetime index localized to the provided timezone. """

    tz_raw = data.columns[3]
    timezone = TZ_MAP.get(tz_raw, tz_raw)
    year = data.Year.apply(str)
    jday = data.DOY.apply(lambda x: '{:03d}'.format(x))
    time = data[tz_raw].apply(lambda x: '{:04d}'.format(x))
    index = pd.to_datetime(year + jday + time, format="%Y%j%H%M")
    data = data.set_index(index)
    data = data.tz_localize(timezone)
    return data