input: Write a function to edit the given Python program to print 'Happy Holidays' 10 times. If the given input is a loop that prints something 10 times, modify it to print 'Happy Holidays' instead.
  assert transform_greeting_loop("for i in range(10):\n    print('Hello World')")=="for i in range(10):\n    print('Happy Holidays')"
  assert transform_greeting_loop("for i in range(10):\n    print('Goodbye')")=="for i in range(10):\n    print('Happy Holidays')"
  assert transform_greeting_loop("for i in range(5):\n    print('Happy Holidays')")==None
  assert transform_greeting_loop("")==None
  assert transform_greeting_loop("for i in range(10):\n    print('Happy Holidays')")==None
output: def transform_greeting_loop(code):
      if "for i in range(10):" in code and "print('Happy Holidays')" not in code:
          return code.replace(code.split("print(")[1].split(")")[0], "'Happy Holidays'")
      return None