save project

diy.py

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