new_contents: # Define a procedure, find_second, that takes
  # two strings as its inputs: a search string
  # and a target string. It should return a
  # number that is the position of the second
  # occurrence of the target string in the
  # search string.
  def find_second(target, search):
      second = target.find(search, target.find(search) + 1)
      return second
  
  
  
  
  
  danton = "De l'audace, encore de l'audace, toujours de l'audace"
  print find_second(danton, 'audace')
  #>>> 25
  
  twister = "she sells seashells by the seashore"
  print find_second(twister,'she')
  #>>> 13
subject: add method for finding 2nd occurrence of a string