I recommend forking the repl and see if that version works.
A simple spiral in Python turtle.
There are too many Chromebooks...
You could try making a cryptography system to scramble messages.
Have you installed any new extension or software on your device?
@gotcha1 If I am understanding you correctly then I believe there is no efficient way to kill it. But if you wait for a while the program will stop responding and in a way kill itself (like what TheDrone7 said).
The language you are using is Python. The input function prompts the user for a text input which is then put into a variable. To define a input in python we use
start = input('your text here')
Start is the variable that keeps the value and the text inside the input is what the user sees when they are asked for the input. I would also remove the space in the print function.
I hope this helped.