auto save

diy.py

 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file1:
     a = file1.readlines()
-    print(a)
\ No newline at end of file
+    #print(a)
+final_sum =[]
+for i in a:
+    #print(i)
+    b=i.split()
+    #print(b[0])
+    #print(b[1:])
+    sum = 0
+    for sales in b[1:]:
+        sum = sum +int(sales)
+        result=b[0]+str(sum)+'\n'
+    final_sum.append(result)
+
+with open(r'c:\Users\Administrator\Documents\lesson13-1\new_sales_list.txt','a',encoding='utf-8') as file2:
+    file2.writelines(final_sum)

new_sales_list.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