Sergei Kotov | Python Made Simple @kotov_dev

Full-stack dev & course author. 10K+ paid students. Simplifying Python concepts, learning discipline & motivation. letpy.io Learn Python the Smart Way → Joined October 2022

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Sergei Kotov | Python Made Simple @kotov_dev

a day ago

People trust AI much more than ads. The future belongs to those who can influence AI, not the crowd.

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Sergei Kotov | Python Made Simple @kotov_dev

5 days ago

The best problem-solving tool costs $2: pen and paper. Skip UML diagrams. Just grab a pen and draw: - Boxes for functions - Arrows for data flow - Whatever makes sense to YOU This simple habit will unlock your problem-solving skills faster than any course or fancy software.

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Sergei Kotov | Python Made Simple @kotov_dev

2 days ago

4 Python tools to learn ASAP, even as a beginner: uv — for virtual environments and package management pytest — for testing code ruff — for linting code git — time machine for code

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Sergei Kotov | Python Made Simple @kotov_dev

3 days ago

Struggles are inevitable. You only get to choose them: Building a business = challenging Living paycheck to paycheck = exhausting Daily workouts = tough Being overweight = uncomfortable

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Sergei Kotov | Python Made Simple @kotov_dev

4 days ago

For me music is literally a mental switch for different types of focus. 🤘 Rock/Metal = Client work energy 🎵 Lo-fi = Creative coding flow 🎼 Classical = Deep writing focus What mental switches do you use?

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Sergei Kotov | Python Made Simple @kotov_dev

a week ago

How to learn Python fast? Master 20% of concepts that are used most and you'll get 80% of what you need for real programming. Here's the essential list: - Variables, operations & basic types (strings, numbers) - Conditional statements (if/else) - Essential string methods -…

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Sergei Kotov | Python Made Simple @kotov_dev

4 days ago

When AI hype dies down, guess what wins? The boring things: - Fast learning - Deep focus - Strong fundamentals Chasing better AI agent? Improve yourself instead.

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Sergei Kotov | Python Made Simple @kotov_dev

5 days ago

One animation change killed my $2K/month conversions. Sales of my interactive Python course dropped to zero overnight. Reverting it restored sales instantly. Lesson: A/B test everything — not just landing pages and texts, but every pixel in your product matters.

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Sergei Kotov | Python Made Simple @kotov_dev

6 days ago

AI doesn't make developers lazy. Before AI, people copied from Stack Overflow without understanding, and earlier, from tutorials and books. The issue isn't the tool — it's learning without understanding. Good developers learn from any source; bad ones just copy.

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Sergei Kotov | Python Made Simple @kotov_dev

7 days ago

Caution! Make your code more professional: use the fact that an empty string, list, dict, etc., evaluates to False in Python.

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Sergei Kotov | Python Made Simple @kotov_dev

a week ago

Python newbie gotcha: the strip method removes any character, not a substring. To remove substrings from a string's start or end, use removeprefix or removesuffix.