input: Write a python function to check if a number is greater than 10 and print an appropriate message.
  assert check_number(15) == 'The number is greater than 10'
  assert check_number(8) == 'The number is less or equal than 10'
  assert check_number(10) == 'The number is less or equal than 10'
output: def check_number(num):
      if num > 10:
          return 'The number is greater than 10'
      else:
          return 'The number is less or equal than 10'