find the nth prime number in python

main.py
def nth_prime(n):
    """
    Returns the nth prime number.
    """
    prime_list = [2]  # List of prime numbers
    num = 3  # Current number being evaluated
    while len(prime_list) < n:
        # Check if current number is prime
        is_prime = True
        for prime in prime_list:
            if num % prime == 0:
                is_prime = False
                break
        if is_prime:
            prime_list.append(num)
        num += 2  # Only odd numbers can be prime (except 2)
    return prime_list[-1]  # Return the nth prime number
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