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Dive into Python's future with 2026 project roadmaps, master the elegance of decorators and context managers, and explore the cutting edge of agentic AI. Plus, solve a classic coordinate mission: converting Excel column letters to numbers.

💡TIP

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🏁 MISSION

Excel Column Number by oduvan -

Given a string that represents the column title as appears in an Excel sheet, return its corresponding column number.

column_number("Z") == 26
column_number("AB") == 28
column_number("ZY") == 701

📖 ARTICLES

Python Projects: 60+ Ideas for Beginners to Advanced (2026) -

A great starting point to move from theory to building real-world applications.

Python Decorators and Context Managers -

Master these elegant tools to eliminate boilerplate and write more professional, maintainable code.

7 Agentic AI Trends to Watch in 2026 -

Explore high-level architectural shifts toward multi-agent orchestration and protocol standardization.

👩‍💻CODE SHOT

What do you think the following code does?

def checkio(line: str, length: int) -> str:

    if length == 0:
        return ''

    for number in sorted(set(line), reverse=True):
        num_idx = line.index(number)
        if len(line) - num_idx >= length:
            return number + checkio(line[num_idx + 1:], length - 1)

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