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skills.py

class PythonDeveloper:
    def __init__(self, name):
        self.name = name
        self.skills = []
        self.certificates = []

    def learn(self, topic):
        self.skills.append(topic)
        return f"✅ Learned {topic}!"

    def get_certified(self):
        self.certificates.append("🏆")
        return "Certified!"

dev = PythonDeveloper("You")
print(dev.learn("FastAPI"))|

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Regions Cut by Slashes

Given a grid of slashes, count the number of connected regions formed by the slashes and the grid borders.

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Given a string and a number k, find the length of the longest substring that can be made uniform by replacing at most k characters.

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Implement a function that uses a non-greedy regex to extract the shortest substring between two delimiters.

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Simulate a number guessing game with attempts, feedback, and a win/lose result.

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Compress Consecutive Chars

Write a function that compresses a string by replacing runs of identical characters with the character followed by the count.

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Parse table rows

Implement a function that converts a simple text table into a list of dictionaries.

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Implement a variadic function that sums an arbitrary number of numeric arguments.

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Perfect Number Check

Write a function that returns True if a number is perfect, i.e., equal to the sum of its proper divisors.

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Write a function that horizontally concatenates two 2D lists into a new 2D list.

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Implement a function that returns the elements of a 2D matrix in clockwise spiral order.

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Hex encode decode

Write hex_encode and hex_decode to convert between hex strings and integer byte values.

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Minimize the largest sum among k contiguous subarrays using dynamic programming.

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main.py Preview

# PythonSkillset IDE
def greet(name):
    return f"Hello, {name}!"

print(greet("world"))

Hello, world!

exit 0

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Before

def calculate( x,y ):
    result=x+y
    if result>10:
       print( "Big!" )
    else:
         print( "Small" )
    return result

After

def calculate(x, y):
    result = x + y
    if result > 10:
        print("Big!")
    else:
        print("Small")
    return result

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Tech Articles & Guides

Languages, tools, and notes worth keeping — sorted by topic with runnable examples when they help.

Why JSON Parsers Differ in Speed and Memory

Explore why Python's standard json module lags behind orjson and ujson in speed and memory. Learn the core optimization principles and when to choose the right parser for …

August 2026 8 min read Read article

Opinion

Python Needs a Standard CLI Framework

An argument for a unified, modern CLI framework in Python's standard library, highlighting the costs of …

August 2026 5 min

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