Why does it bring compilation error

Question

errors
https://code.sololearn.com/cOzwQrIRx03I/?ref=app

Answer 1

It worked for me as is. Did you enter an 8 character string to run it? I used: testing! You do get a runtime error for anything less than 8.

Answer 2

I've tried 5 different 8 character strings, got all 4 directions displayed, and no problems.

Answer 3

It runs differently, but error free with:
emter in a string
L
t
s
g
!
t
e
n
i

Answer 4

i have changed it but still compilation error
https://code.sololearn.com/cOzwQrIRx03I/?ref=app