Secret message python

Question

What's wrong with my code?
I'm sorry if I use a lot of lines but I'm at the beginning of coding. Thank for everyone who will help me.

https://code.sololearn.com/ckzi6QdweW2a/?ref=app

Answer 1

Sorry, I've posted the old version. I've already modified it but it doesn't pass 3 tests. this is the last version that can manage more than one space.
https://code.sololearn.com/c5vkosOSEimB/?ref=app

Answer 2

Ok, this version works! I've copied the wrong version so it doesn't pass the test! Thanks

Answer 3

https://code.sololearn.com/cRmiZjDhP42o/?ref=app