input: Write a function to generate random numbers between 0 and 9 that are divisible by 3. If a number is divisible by 3, return it.
  def generate_random_divisible_number():
      import random
      while True:
          # Generate a random number
          process = random.randint(0, 9)
          # Check if the number is divisible by 3
          if process % 3 == 0:
              # If it is divisible, return it
              return process
  
  assert generate_random_divisible_number() % 3 == 0
  assert 0 <= generate_random_divisible_number() <= 9
  assert generate_random_divisible_number() == 0 or generate_random_divisible_number() == 3 or generate_random_divisible_number() == 6 or generate_random_divisible_number() == 9
output: def generate_random_divisible_number():
      import random
      while True:
          process = random.randint(0, 9)
          if process % 3 == 0:
              return process