input: 
  def generate_prime_numbers(n: int) -> None: 
      """ Generate and print all prime numbers up to the given number 'n'.
      >>> generate_prime_numbers(10)
      2
      3
      5
      7
      >>> generate_prime_numbers(20)
      2
      3
      5
      7
      11
      13
      17
      19
      """
      primes = [True for i in range(n + 1)] 
      p = 2
      while (p * p <= n): 
          if (primes[p] == True): 
              for i in range(p * p, n + 1, p): 
                  primes[i] = False
          p += 1
      primes[0] = False
      primes[1] = False
      for p in range(n + 1): 
          if primes[p]: 
              print(p)
  
output:     primes = [True for i in range(n + 1)] 
      p = 2
      while (p * p <= n): 
          if (primes[p] == True): 
              for i in range(p * p, n + 1, p): 
                  primes[i] = False
          p += 1
      primes[0] = False
      primes[1] = False
      for p in range(n + 1): 
          if primes[p]: 
              print(p)