save project

diy.py

 with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt",'r',encoding="utf-8")as file:
     a=file.readlines()
     #print(a)
+list = []
 for i in a :
+    sum=0
     #print(i)
     data=i.split()
-    print(data)
\ No newline at end of file
+    #print(data[1:])
+    for j in data[1:]:
+        sum+=int(j)
+    b = data[0]+str(sum)
+    list.append(b)
+with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt",'a',encoding="utf-8")as file1:
+    file1.writelines(list)