save project

diy.py

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