save project

diy.py

@@ -5,5 +5,6 @@ with open('sales_list.txt','r',encoding='utf-8')as file:
         sum=0
         for num in data[1:]:
             if num not in {'\n',' ',''}:
+                sum+=int(num)
         print(data[0]+str(sum))
     file.close()
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