save project

diy.py

 with open(r"c:\Users\23636\Documents\lesson13_2\sales_list.txt",'r',encoding='utf-8') as feli:
     a=feli.readlines()#读取数据，放到变量a里
     #print(a)
-    rew_sum[]
+    feli_sum=[]
 for i in a:
     data=i.split()#用for...in...把每一行的数据遍历
     sum=0#把字符串
     for salse in data[1:]:#第一个数据和
         sum=sum+int(salse)
-    salse=data[0]+str(sum)
+    salse=data[0]+str(sum)+"/n"
     print(salse)
-    rew_sum.append(selse)
-with open(r"c:\Users\23636\Documents\lesson13_2\sales_list.txt",'r',encoding='utf-8')as feli:
-feli.writelines(rew_sum)
+    feli_sum.append(salse)
+with open(r"c:\Users\23636\Documents\lesson13_2\sales_list.txt",'a',encoding='utf-8')as feli:
+    feli.writelines(feli_sum)
 

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悟空348/n诺依380/n小贝182/n李丽201/n宋扬107/n王明245/n李强164/n孙小白222/n苏琪137/n刘若若147/n刘阳226/n王胜男123/n王娇131/n
\ No newline at end of file