save project

diy.py

 with open(r"c:\Users\Administrator\Documents\lesson13_2\sales_list.txt","r",encoding="utf-8") as b:
     a=b.readlines()
+list=[]
 for i in a:
 
     c=i.split()
     d=0
     for i in c[1:]:
         d=d+int(i)
-    e=c[0]+str(d)
-    print(e)
+    e=c[0]+str(d)+"\n"
     
+    list.append(e)
+with open(r"c:\Users\Administrator\Documents\lesson13_2\sales_list.txt","w",encoding="utf-8") as b:
+    b.writelines(list)