### Tell us what’s happening:
Hi, I need help with my code. I keep getting a ValueError, and I am not sure why. It says: 'The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
### Your code so far
here is a link to my code: Sign Up - Replit
### Your browser information:
User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
### Challenge Information:
Data Analysis with Python Projects - Mean-Variance-Standard Deviation Calculator