Palindrome Python

exit_word = "imUnknown"

while True:
    my_text = input("Word: ")
    splitted = my_text.split(' ')

    my_text = "".join(splitted)

    left = ""
    right = ""

    for i in range(int(len(my_text)/2)):
        left = my_text[i].lower()
        right = my_text[-(i+1)].lower()

        if left != right:
            print(my_text, "is not palindrome")
            break
    else:
        print(my_text, "is a palindrome word")

    if my_text == exit_word:
        break
    else:
        print("------------------------------------------------")