save project

diy.py

-with open(r'c:\Users\li\Documents\lesson13-4\sales_list.txt','r',encoding='utf-8'):
+with open(r'c:\Users\li\Documents\lesson13-4\sales_list.txt','r',encoding='utf-8') as file1:
     a=file1.readlines()
     a=file1.readlines()
-for i in a:
+for i in a:
+
     data=i.split()
     data=i.split()
     b=data[1:]
     b=data[1:]
     sum=0
     sum=0
-    for c in b:
+    for c in b:
+
         sum=sum+int(c)
         sum=sum+int(c)
     result=data[0]+':'+str(sum)
     result=data[0]+':'+str(sum)