Devskiller's platform and questions are written in English. The reasoning behind this is that nearly 100% of coding documentation found on the internet will be in English so a developer will need to have a good level of English to be able to read and use the information to solve a problem.

However, there is the option to upload your own questions and they can be written in whichever language you desire. To add you own question please click on the link below:

http://help.devskiller.com/creating-tasks-and-tests/how-to-upload-a-task

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