auto save

diy.py

+with open("sales_list.txt",'r',encoding="utf-8") as f:
+    a=f.readlines()
+    p=[]
+    for data in a:
+        b=data.split()
+        # print(b)
+        sum=0
+        for num in b[1:]:
+            sum+=int(num)
+        s=b[0]+str(sum)+"\n"
+        p.append(s)
+with open("sales_sum.txt",'a+',encoding="utf-8") as f:
+    f.writelines(p)
\ No newline at end of file

sales_sum.txt

+悟空348
+诺依380
+小贝182
+李丽201
+宋扬107
+王明245
+李强164
+孙小白222
+苏琪137
+刘若若147
+刘阳226
+王胜男123
+王娇131