input: 
  from typing import List
  
  
  def repeat_greeting(phrases: List[str], count: int) -> List[str]:
      """ Edit the given list of phrases to repeat each phrase `count` times.
      >>> repeat_greeting(['Hello World'], 10)
      ['Hello World', 'Hello World', 'Hello World', 'Hello World', 'Hello World', 'Hello World', 'Hello World', 'Hello World', 'Hello World', 'Hello World']
      >>> repeat_greeting(['Happy Holidays'], 5)
      ['Happy Holidays', 'Happy Holidays', 'Happy Holidays', 'Happy Holidays', 'Happy Holidays']
      """
  
output:     result = []
      for phrase in phrases:
          result.extend([phrase] * count)
      return result