摘要: import numpy as np import pandas as pd df = pd.read_excel('E:\桌面\catering_sale.xls') df.fillna(0) #print(df.isnull()) #print(df['销量'].sum()) import ma 阅读全文
posted @ 2023-02-26 20:15 沁悬 阅读(56) 评论(0) 推荐(0)