Halloween Monsters

Halloween Monsters


You have to call the monsters from another world in preparation for Halloween.

You are given a string as an input value. You have to use it to make monster names and return the maximum number. You can call only 9 kinds of monsters:

  • frankenstein
  • ghost
  • jack
  • mummy
  • skeleton
  • vampire
  • werewolf
  • witch
  • zombie
  • You can make multiple monster names of the same kind.
  • You don't need to use all the characters.
  • If you can't make a monster name, return 0.


halloween_monsters('tkjagchso') == 2               # jack, ghost
halloween_monsters('finhtiistchwwaerecnnkt') == 3  # witch, witch, frankenstein

Input: The spell (a string).

Output: A number of monsters (an integer).


  • all(re.fullmatch('[a-z]', i) for i in input)
  • len(input) ≤ 100

How it is used: To calculate materials and products.

Invalid hot key. Each hot key should be unique and valid
Hot keys:
CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

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checkio serv -d

Alternatevly, you can install Chrome extension or FF addon

checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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