Number Guessing Game Won't Pass Even Though Code Looks Correct

Tell us what’s happening:
This is driving me crazy. I feel like I’ve done everything required but it still won’t pass. User Stories 7-13 remain unchecked even though my code looks like it is doing all of them. I’ve checked the forums and saw a lot of people having similar issues but can’t seem to find a solution. Any help would be much appreciated! Thanks!

Github link:
solution: GitHub - LeonydusJohnson/number_guessing_project

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Challenge: Number Guessing Game - Build a Number Guessing Game

Link to the challenge:``