input: 
  def even_or_odd(num):
      if num % 2 == 0:
          return "Even"
      else:
          return "Odd"
  """
  Returns a string indicating whether the given number is even or odd.
  >>> even_or_odd(4)
  'Even'
  >>> even_or_odd(7)
  'Odd'
  """
  
output:     
      if num % 2 == 0:
          return "Even"
      else:
          return "Odd"
  