Data Analysis with Python Projects - Mean-Variance-Standard Deviation Calculator

Tell us what’s happening:

this project is not working properly and im not complete mh tasr

###Your project link(s)

solution: https://www.freecodecamp.org/certification/your-username

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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Challenge Information:

Data Analysis with Python Projects - Mean-Variance-Standard Deviation Calculator
https://www.freecodecamp.org/learn/data-analysis-with-python/data-analysis-with-python-projects/mean-variance-standard-deviation-calculator

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Please describe the problem.