auto save

diy.py

 with open(r"c:\Users\A32\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as e:
 with open(r"c:\Users\A32\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as e:
+    u=e.readlines()
+d=[]    
+for i in u:
+    t=0
+    b=i.split()
+    for g in b[1:]:
+        t=t+int(g)
+    e=str(t)+b[0]
+    d.append(e)
     print(e)
     print(e)
+with open(r"c:\Users\A32\Documents\lesson13-1\sales_list.txt","a",encoding="utf-8") as e:    
+    e.writelines(d)

sales_list.txt

@@ -10,4 +10,4 @@
 刘若若 11 11 13 11 20 15 13 29 24 
 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
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 王胜男 27 15 15 26 13 12 15
 王胜男 27 15 15 26 13 12 15
-王娇 12 11 12 12 15 35 23 11
+王娇 12 11 12 12 15 35 23 11348悟空380诺依182小贝201李丽107宋扬245王明164李强222孙小白137苏琪147刘若若226刘阳123王胜男131王娇
\ No newline at end of file