code: def prompt_yn(stmt):
      '''Prints the statement stmt to the terminal and wait for a Y or N answer.
         Returns True for 'Y', False for 'N'.'''
      print(stmt)
      answer = ''
      while answer not in ['Y', 'N']:
          sys.stdout.write("$ ")
          answer = sys.stdin.readline().upper().strip()
      return answer == 'Yf prompt_yn(stmt):
      '''Prints the statement stmt to the terminal and wait for a Y or N answer.
         Returns True for 'Y', False for 'N'.'''
      print(stmt)
      answer = ''
      while answer not in ['Y', 'N']:
          sys.stdout.write("$ ")
          answer = sys.stdin.readline().upper().strip()
      return answer == 'Y'
docs: Prints the statement stmt to the terminal and wait for a Y or N answer.
         Returns True for 'Y', False for 'N'.