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这是初次使用python进行的一个实践项目，如有不对，请指正！
<>目标：
使用python将表1中的对应数据插入表2，实现excel中的vlookup功能
<>准备工作：
a. numpy库、pandas库（环境搭建真的很重要）
b. 一个需要填充数据的表
c.已有的数据表
结果展示：
<>操作步骤
步骤1： 读取两个表中的内容
import pandas as pd # 地区信息表 df_location = pd.read_excel(
"D:\python\\numpy\\test1\地区信息表.xlsx" ) df_location.head() # 数据库导出表 df_number =
pd.read_excel("D:\python\\numpy\\test1\数据收集表.xlsx") df_number.head()
（不要把文件放在桌面操作，别问我为什么，QAQ）
步骤2： 只需要用到表中的部分列
# 只筛选第二个表的少量的列（只选取表二中市区和用户人数） df_number = df_number[[ "市区", "用户人数"]] df_number.
head()
步骤3： 实现vlookup函数中最重要的一步–判断两个表中数据是否匹配
df_merge = pd.merge(left=df_location, right=df_number, left_on="市区", right_on=
"市区") df_merge.head()
步骤4： 导出合并后的数据表
df_merge.to_excel("d:\\python\\numpy\\test1\\合并后的数据表.xlsx", index=False)
就写这么多啦，不懂的或者觉得有问题要改进的，欢迎大家在下面留言。本人也是小白一位，第一次写文章，希望大家能支持！
