auto save

diy.py

-with open('c:\\Users\\Administrator\\Documents\\lesson13-1\\sales_list.txt',"r",encoding="utf-8")as a:
+with open(r"C:\Users\学生账户\Documents\lesson13-4\sales_list.txt","r",encoding="utf-8")as a:
     b=a.readlines()
     b=a.readlines()
 for i in b:
 for i in b:
-    data=i.split()
-    print(data[1:])
-
+    data=i.split(',')
+    sum=0
+    for a in data[1:]:
+        sum=sum+int(a)
+    print(data[0]+str(sum))
\ No newline at end of file

sales_list.txt

-1111111111111
+a,86
\ No newline at end of file
+b,58
+c,84
+d,84
+e,65
+r,54
+n,56
+m,64
+h,16
\ No newline at end of file