提交代码

Author: zyn1233

qingxiangke/README.md

@@ -15,4 +15,6 @@ Python技术 公众号文章代码库
 
 [pandas条件筛选](https://github.com/JustDoPython/python-examples/tree/master/qingxiangke/PandasSift) : pandas的多条件筛选
 
-[pandas的多表连接](https://github.com/JustDoPython/python-examples/tree/master/qingxiangke/pandasMerge) : pandas的多表连接
+[pandas的两表连接](https://github.com/JustDoPython/python-examples/tree/master/qingxiangke/pandasMerge) : pandas的两表连接
+
+[pandas的多表拼接](https://github.com/JustDoPython/python-examples/tree/master/qingxiangke/calculate) : pandas的多表拼接

qingxiangke/calculate/main.py

@@ -0,0 +1,30 @@
+import pandas as pd
+
+df1 = pd.DataFrame({
+    '姓名': ['张三', '李四', '王五', '刘六', '齐四'],
+    '号码': ['123', '456', '789', '987', '654']
+})
+
+df2 = pd.DataFrame({
+    '姓名': ['张三', '张三', '张三', '李四', '李四', '李四', '李四', '王五', '王五', '刘玉', '胡军', '刘玉', '刘六', '刘六', '刘六', '刘六', '刘克', '刘玉', '齐七', '齐七', '齐七', '齐七', '冯亮', '刘玉', '王云'],
+
+    '号码': ['123', '456', '789', '123', '123', '456', '456', '456', '456', '456', '741', '741', '741', '741', '741', '789', '789', '789', '789', '789', '852', '852', '852', '852', '852'],
+
+    '日期': ['2022-03-13', '2022-03-06', '2022-01-30', '2022-01-04', '2022-02-26', '2022-03-26', '2022-03-06', '2022-01-30', '2022-01-29', '2022-03-13', '2022-03-06', '2022-02-19', '2022-02-04', '2022-03-10', '2022-04-19', '2022-03-10', '2022-01-29', '2022-02-19', '2022-03-06', '2022-03-26', '2022-01-04', '2022-02-04', '2022-04-19', '2022-02-26', '2022-03-06'],
+
+    '方案': ['G1012', 'G1022', 'G1002', 'G1007', 'G1017', 'G1023', 'G1018', 'G1003', 'G1008', 'G1013', 'G1020', 'G1015', 'G1010', 'G1005', 'G1025', 'G1004', 'G1009', 'G1014', 'G1019', 'G1024', 'G1006', 'G1011', 'G1026', 'G1016', 'G1021']
+})
+
+df3 = pd.DataFrame({
+    '姓名': ['张三', '李四', '王五', '刘六', '齐四'],
+    '号码': ['123', '456', '789', '987', '654'],
+	'年龄': ['25', '36', '41', '12', '54']
+})
+
+# 上下拼接
+df = pd.concat([df1, df2, df3], axis=0)
+
+# 左右拼接
+df = pd.concat([df1, df2, df3], axis=0)
+
+print(df)