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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 has_data_for_dates(series_or_df, first_date, last_date):
 """ Does `series_or_df` have data on or before first_date and on or after last_date? """

    dts = series_or_df.index
    if not isinstance(dts, pd.DatetimeIndex):
        raise TypeError("Expected a DatetimeIndex, but got %s." % type(dts))
    first, last = dts[[0, -1]]
    return (first <= first_date) and (last >= last_date)