What does this error mean?

I am trying to run the kmp find function and have it read a small text file. I will include the entire source code also:

The pictures are all the same code. Could anyone tell me what the problem is? The text file im using just consists of

fdksalfdjasffsdgfdlafjkdasfadsf

That is what is in my text file.

Running python "c:\Users Breon Documents\ kmpfind.py" Traceback (most recent call last): File "c:\Users \Breon Documents\kmpfind.py", line 48, in