Change the condition in your while loop to use ==
not =
. Right now you are making an assignment and not comparing the two meaning the first chars will always be the same and give a score of 1. You can then remove the if statement from inside the loop.
The assignment asks you to use a for loop and not a while. If you just move I into the for loop and fill out the rest, along with moving the increment to after the != check it would work.
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