lmfao seems like I was blind haha

Yes, because the X in the middle is surrounded by ~ on all sides, which makes it a distinct island.

ok now i can sleep peacefully thankyou

~XXXXX~
~X~~~X~
~X~X~X~
~X~~~X~
~XXXXX~

this is supposed to be two islands and not one ? Am I missing something?

Time to start adding prints in your code to find out what happened.

def comp(array1, array2):
    print(f'array1 = {array1}', type(array1))
    print(f'array2 = {array2}', type(array2))

uh, what about it? nobody has any idea what you are wondering

also wondering about test 10