save project

diy.py

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