auto save

diy.py

+with open(r"c:\Users\Yu\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file:
+    a=file.readlines()
+    #print(a)
+    sumlist=[]
+    for i in a:
+        data=i.split()
+        #print(data[0])
+        #print(data[1:])
+        sum=0
+        for sales in data[1:]:
+            sum=sum+int(sales)
+        result=data[0]+str(sum)+"\n"
+        sumlist.append(result)
+    print(sumlist)
+with open(r"c:\Users\Yu\Desktop\jieguo.txt","w",encoding="utf-8") as file:
+    file.writelines(sumlist)
\ No newline at end of file