save project

diy.py

 with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file:
 with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readlines()
     a=file.readlines()
     #print(a)
     #print(a)
+
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
     #print(data[1:])
     #print(data[1:])
@@ -9,3 +10,5 @@ for i in a:
         sum=sum+int(sales)
         sum=sum+int(sales)
         a=data[0]+str(sum)
         a=data[0]+str(sum)
     print(a)
     print(a)
+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file:
+    file.writelines()
\ No newline at end of file