save project

diy.py

 with open(r'c:\Users\玛酷机器人\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as a:
     c=a.readlines()
-    
-    for i in c:
+    x=0
+for i in c:
     b=i.split()
-        print(b[1:])
-
-
+    #print(b[1:])
+    for sales in b[1:]:
+        x=x+int(sales)
+        print(x)