auto save

diy.py

 with open(r"c:\Users\guo\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8")as file:
     a=file.readlines()
 #new_file=a.split()
+final_sum=[]
 for i in a:
     data=i.split()
     sum=0
     for j in data[1:]:
         sum=sum+int(j)
-    result=data[0]+str(sum)
-    print(result)
+    result=data[0]+str(sum)+'\n'
+    final_sum.append(result)
+with open(r"c:\Users\guo\Documents\lesson13-1\sales_list.txt","w",encoding="utf-8")as file:
+    file.writelines(final_sum)
+#new_file=a.split()

sales_list.txt

-悟空 12 15 11 12 11 12 13 21 27 12 15 30 22 26 15 12 21 23 27 11
-诺依 21 29 15 21 21 21 29 30 12 13 12 12 24 52 27 26 15
-小贝 29 11 11 15 13 15 13 11 11 29 13 11 
-李丽 13 15 20 15 15 11 17 20 20 11 12 12 20
-宋扬 11 11 11 11 15 17 11 20 
-王明 30 27 26 24 29 12 15 11 22 26 23 
-李强 12 12 11 15 11 13 25 26 11 13 15
-孙小白 25 26 12 15 27 30 48 39
-苏琪 15 11 15 15 30 13 27 11 
-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
+悟空3480
+诺依3800
+小贝1820
+李丽2010
+宋扬1070
+王明2450
+李强1640
+孙小白2220
+苏琪1370
+刘若若1470
+刘阳2260
+王胜男1230
+王娇1310