auto save

diy.py

-sales = open(r'c:\Users\Windows 10\Documents\lesson13-1\sales_list.txt',"r",encoding="utf-8")
+with open(r'c:\Users\Windows 10\Documents\lesson13-1\sales_list.txt',"r",encoding="utf-8") as file:
\ No newline at end of file
+    a=file.readlines()
+    print(a)
\ No newline at end of file

sales_list.txt

-悟空 1 3
-诺依 19 273 28000
-小贝 882333 90112 22
+悟空40
+诺依740
+小贝2000
\ No newline at end of file
+小心1650
+小丽1430
+小妹690
+小看我77255770
+小丑30
+阿斯37260
+加特8932945872686876276420939624323658743268736576576437632699400
+小矛盾阿萨238970
+阿凡达108430
+旺达15130590
+樱子563850
+樱子2332444333225455319500