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Prime Number Check

Easy +2 pts

🎯 In Python, you might write a prime check like this:

def is_perfect_square(n): if n < 0: return False root = int(n**0.5) return root * root == n

Checking primality in Rust follows similar logic to what you'd write in Python, but introduces a few language features worth understanding.

Early return

So far you've seen Rust functions where the last expression is the return value. But sometimes you want to bail out early — that's what

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