auto save

diy.py

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

sales_list.txt

@@ -10,4 +10,4 @@
 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王娇131
\ No newline at end of file