""" Challenge 164 Task 1 """ from sympy import nextprime def get_palindrome_numbers() -> list: """Get the palindrome numbers as requested""" prime = 0 output = [] while (prime := nextprime(prime)) < 1000: if str(prime) == str(prime)[::-1]: output.append(prime) return output assert get_palindrome_numbers() == [ 2, 3, 5, 7, 11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, ]