CS50x Certified (Introduction to Computer Science, Harvard): This program is recognized worldwide for teaching solid computer science foundations—in C, Python, SQL, HTML, CSS, JavaScript—and especially for developing algorithmic thinking and problem-solving skills through intensive problem sets and a final project. CS50P (Introduction to Programming with Python) Certified: This course focuses on Python, covering syntax, loops, exceptions, unit testing, object-oriented programming, and regular expressions—perfect for mastering a powerful and popular language. I can teach Proven technical proficiency: solid understanding of computer science concepts (algorithms, data structures) + fluent Python programming. I have applied these courses myself and I know how to guide a learner through the most complex steps. Educational English: I can explain clearly, correct work, lead discussions and Q&A in English. Having experienced the CS50x → CS50P journey, I know the pitfalls and can anticipate the difficulties to provide appropriate explanations.