input: Write a function to edit the given Python program to print 'Happy Holidays' 10 times instead of 'Hello World'.
  
  The function should modify the given program as follows:
  
  Given a Python program:
  
  for i in range(10):
      print('Hello World')
  
  
  The function should return the modified program:
  
  for i in range(10):
      print('Happy Holidays')
  
  
  assert edit_holiday_greeting("for i in range(10):\n    print('Hello World')")==("for i in range(10):\n    print('Happy Holidays')")
  assert edit_holiday_greeting("for i in range(20):\n    print('Hello World')")==("for i in range(20):\n    print('Happy Holidays')")
  assert edit_holiday_greeting("for i in range(5):\n    print('Hello World')")==("for i in range(5):\n    print('Happy Holidays')")
  assert edit_holiday_greeting("for i in range(1):\n    print('Hello World')")==("for i in range(1):\n    print('Happy Holidays')")
  assert edit_holiday_greeting("for i in range(0):\n    print('Hello World')")==("for i in range(0):\n    print('Happy Holidays')")
output: def edit_holiday_greeting(program):
      return program.replace("print('Hello World')", "print('Happy Holidays')")