input: Write a function to generate a random integer number in the range [0, 9] and print the result. The function should utilize Python's `random` module.
  assert generate_random_number()
  assert generate_random_number()
  assert generate_random_number()
  assert generate_random_number()
  assert generate_random_number()
output: import random
  
  def generate_random_number():
      number = random.randint(0, 9)
      print(number)