save project

diy.py

+sb=[]
 with open(r"c:\Users\8\Documents\lesson13-3\sales_list.txt","r",encoding="utf-8") as file:
     a=file.readlines()
     for i in a:
@@ -5,4 +6,9 @@ with open(r"c:\Users\8\Documents\lesson13-3\sales_list.txt","r",encoding="utf-8"
         sum=0
         for j in data[1:]:
             sum+=int(j)
-        print(data[0]+str(sum))
\ No newline at end of file
+        print(data[0]+str(sum))
+        ex=data[0]+str(sum)+"\n"
+        sb.append(ex)
+with open(r"c:\Users\8\Desktop\小组数据.txt","w",encoding="utf-8") as file1:
+    b=file1.writelines(sb)
+