I have this text file containing something like this:

```
John = 10
Lucy = 2
Tom = 4,
Hardy = 7
tom = 5
tom = 3
hardy = 7
Christoper = 4
Kim = 9
Tom = 4
john = 5 
John = 7
John = 6            

```

I need to read this file and organize it into a list however only using the last three scores of the users. I have been trying for hours but cant get it working, please help thankyou