Hi, in this lesson i think there's a bug because it keeps saying please refresh the page, don't worry your code will be here but it never works even in other browsers.
It's most definitely broken.
(It's the same link but without the stuff at the end)
That will get you another version which I put a band-aid on, it was the best I could do, most or all will have that curriculumid thing on their url ):
Alternatively, click on the text file's tab in the editor, type a few characters and then undo your modifications to it, and it should work again.
Errors in Python Unit 12: Lesson 5
Issue with the File I/O module : reading between the lines
Python File Input and Output - Error
The latter suggestion is easy and efficient. You don't even have to undo your mods, just click on the script.py tab after you are done and continue as per usual.
Bug in Reading Between the Lines