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  • A success story. How to use programming to advance in any field

    Python SELF EN
    Level 13, Lesson 0
    You can learn to program and not become a programmer, but instead apply your new skill to advance your current career Sergey, a Moscow resident, shared his success story with CodeGym students. He used the course to study for 3.5 years, but still isn't working as a developer. What went wrong? Or perhaps everything...
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  • Built-in Functions

    Python SELF EN
    Level 13, Lesson 1
    Built-in Functions
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  • Lambdas

    Python SELF EN
    Level 13, Lesson 2
    Lambdas
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  • Closures

    Python SELF EN
    Level 13, Lesson 3
    Closures
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  • Generators

    Python SELF EN
    Level 13, Lesson 4
    Generators
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CodeGym CodeGym is an online course for learning Java programming from scratch. This course is a perfect way to master Java for beginners. It contains 1200+ tasks with instant verification and an essential scope of Java fundamentals theory. To help you succeed in education, we’ve implemented a set of motivational features: quizzes, coding projects, content about efficient learning, and a Java developer’s career.
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Programmers Are Made, Not Born © 2026 CodeGym