input: Write a function to generate an even number between 10 and 200 that is divisible by 5. If the number is not even or not divisible by 5, increment the number and check again until a valid number is found.
  assert generate_even_number()==50
  assert generate_even_number()==80
  assert generate_even_number()==120
  assert generate_even_number()==150
  assert generate_even_number()==200
output: import random
  
  def generate_even_number():
      while True:
          num = random.randint(10, 200)
          if num % 2 == 0 and num % 5 == 0:
              return num