auto save

diy.py

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

sales_list.txt

@@ -10,4 +10,16 @@
 刘若若 11 11 13 11 20 15 13 29 24 
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 王胜男 27 15 15 26 13 12 15
-王娇 12 11 12 12 15 35 23 11
\ No newline at end of file
+王娇 12 11 12 12 15 35 23 11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