input: Write a function to generate an even number between 10 and 200 that is divisible by 5. If the given input is not applicable then return an error message.
  assert generate_even_number(None)=='Error: Input not applicable'
  assert generate_even_number('Test')=='Error: Input not applicable'
  assert generate_even_number([1,2,3])=='Error: Input not applicable'
  assert generate_even_number(1)=='Error: Input not applicable'
  assert generate_even_number(10.5)=='Error: Input not applicable'
output: def generate_even_number(input):
      if input is not None and not isinstance(input, (int, float)):
          return 'Error: Input not applicable'
      while True:
          num = random.randint(10, 200)
          if num % 2 == 0 and num % 5 == 0:
              return num