auto save

diy.py

+with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
+as file1:
\ No newline at end of file

sales_list.txt

+悟空 12 15 11 12 11 12 13 21 27 12 15 30 22 26 15 12 21 23 27 11
+诺依 21 29 15 21 21 21 29 30 12 13 12 12 24 52 27 26 15
+小贝 29 11 11 15 13 15 13 11 11 29 13 11 
+李丽 13 15 20 15 15 11 17 20 20 11 12 12 20
+宋扬 11 11 11 11 15 17 11 20 
+王明 30 27 26 24 29 12 15 11 22 26 23