save project

diy.py

-with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt,'r'encoding='utf-8') as file:
     a=file.readinse()
     a=file.readinse()
+d=[]    
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
     sum = 0
     sum = 0
     for b data[1:]:
     for b data[1:]:
         sum = sum +int(b)
         sum = sum +int(b)
-    c = data[0]+str(sum)
-    print(c)
-
+    c = data[0]+str(sum)+'/n'
+    d.append(c)
+with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt,'r'encoding='utf-8') as file:
+    file.writelines(d)