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Sign up for an account with OAUTH.

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You can filter courses by language, difficulty or topics that are discussed in each course.

Find a course you like and enroll into it. You can enroll in as many courses as you want.

Courses are divided into modules and every module has several sections & exercises. Earn points by completing exercises.

To complete a course, you must read all of its content and solve all of its exercises.

Once you complete a course and all of its exercises, you will earn a badge.