save project

diy.py

 with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt",'r',encoding="utf-8")as qwe:
     a=qwe.readlines()
+p=[]
 for i in a:
     data=i.split()
     sum=0
     for q in data[1:]:
         sum=sum+int(q)
-    wer=data[0]+str(sum)
-    print(wer)
+    wer=data[0]+str(sum)+"/n"
+    p.append(wer)
+    with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt",'r',encoding="utf-8")as qwe:
+        qwe.writelines(p)