auto save

diy.py

+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file_1:
+    a = file_1.readlines()
+final_sum = []
+for i in a:
+    data = i.split()
+    #print(data[0])
+    #print(data[1:])
 
-with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r','utf-8') as file_1:
\ No newline at end of file
+    sum1 = 0
+    for sales in data[1:]:
+        sum1 = sum1 + int(sales)
+    result = data[0] + str(sum1) + "\n"
+    final_sum.append(result)
+    
+with open(r'c:\Users\Administrator\Documents\lesson13-1\new_sales_list.txt','a',encoding='utf-8') as file_1:
+    file_1.writelines(final_sum)
\ No newline at end of file

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