prime_numbers.py

import math
import timeit

class PrimeNumbers():
    def __init__(self):
        self.prime_list = []

    def get_prime_numbers(self, up_to_x):
        my_list = [x for x in range(3, up_to_x + 1, 2)]

        for prime_candidate in my_list:
            is_prime = self.check_is_prime(prime_candidate)
            if is_prime:
                self.prime_list.append(prime_candidate)
                
        return self.prime_list

    def check_is_prime(self, check_for_prime):
        for number in range(2, check_for_prime // 2):
            if (check_for_prime % number) == 0:
                return False
        return True

prime = PrimeNumbers()
print(prime.get_prime_numbers(100))

print(timeit.timeit('PrimeNumbers().get_prime_numbers(10000)', number = 5, setup='from __main__ import PrimeNumbers'))