Padans按行、按列汇总1、按照行汇总data.loc[汇总] data.apply(lambda x: x.sum()) #按列求和添加汇总行pvot_nextweek.loc[总计] pvot_nextweek.sum(axis0)df.apply(func,axis1) #添加列按行计算#示例df[C]df.apply(lambda x:x[A]x[B],axis1) #添加C列为A列B列data[汇总] data.apply(lambda x: x.sum(), axis1) #按行求和添加汇总列2、按照列汇总p_know.loc[总计] p_know.sum(axis0)p_know.reset_index(inplaceTrue)