[old] Common Words [old] Common Words

Let's continue examining words. You are given two string with words separated by commas. Try to find what is common between these strings. The words are not repeated in the same string.

Your function should find all of the words that...

Two arguments as strings.

The common words as a string.

commonWords("hello,world", "hello,earth") == "hello"
commonWords("one,two,three", "four,five,six") == ""
commonWords("one,two,three", "four,five,one,two,six,three") == "one,three,two"

Here you can learn how to work with strings and sets. This knowledge can be useful for linguistic analysis.

Each string contains no more than 10 words.
All words separated by commas.
All words consist of lowercase latin letters.

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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=js config --key=

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checkio sync

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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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