polars选取原表中的个别列,或改变列顺序order
polars选取原表中的个别列,或改变列顺序order
new_order = ['地市','高负荷限速','SPID大流量限速','WIFI大流量限速','限速门限修改为321,PRB门限修改为10%/20%/30%','总计']
summary_province = summary_province.select(new_order)
summary = pl.concat([summary, summary_province],how='vertical')