Part of the coding challenges "challenge" is for you to figure out how to make your code work. Thus, we cannot tell you which test cases your code did not pass. You will have to run tests yourself to find that out, just like you would in a real-world scenario.

If you are out of time or have exhausted all your options, submit the coding challenges either way and send the coding challenges submission form. We'll send you an email with recommendations on what to do to improve. 

Remember, sometimes you have to step away from the problem in order to find out what's missing. Take a 10-minute break when you are stuck, or try some good old rubber duck debugging!

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