save project

diy.py

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