save project

diy.py

-with open(r'c:\Users\Administrator\Desktop\sales_list.txt.txt'r',encoding='utf-8)
+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt'r',encoding='utf-8) as flie:
     a=lile.readlines
 
 final_sum=[]
@@ -9,3 +9,7 @@ for i in a:
         sun=sun+int(sales)
     result =data[0]+str(sum)+'\n'
     final_sum.append(result)
+
+
+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file:
+    file.writelines(final_sum)
\ No newline at end of file

sales_list.txt

-with 
\ No newline at end of file
+悟空 12 15 11 12 11 12 13 21 27 12 15 30 22 26 15 12 21 23 17 11
+诺依 21 29 15 21 21 21 19 30 12 13 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
\ No newline at end of file