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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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Coding Challenges

Solve real problems, earn points, climb the ranks

Compound interest

Return the future balance after compound interest, rounded to two decimals.

+12 pts Be first Solve →

LRU cache decorator

Implement @lru_cache(maxsize=N) for unary functions using OrderedDict.

+50 pts 1 attempt Solve →

Subarray sum equals K

Count the number of contiguous subarrays whose sum equals k.

+28 pts Be first Solve →

Context manager timer

Implement a Timer context manager that records elapsed seconds.

+22 pts 1 attempt Solve →

Temperature converter

Convert Celsius to Fahrenheit: F = C × 9/5 + 32.

+5 pts 2 attempts Solve →

Title case converter

Return the string with each word capitalised.

+5 pts Be first Solve →

Power of two?

Return True if n is an exact power of 2.

+8 pts Be first Solve →

Integer to Roman

Convert a positive integer to its Roman numeral representation.

+22 pts Be first Solve →

Memoize decorator

Implement a @memoize decorator that caches results of a function.

+25 pts 1 attempt Solve →

Validated descriptor

Implement a TypedField descriptor that raises TypeError if the value is not of the expected type.

+40 pts Be first Solve →

Longest increasing subsequence

Return the length of the longest strictly increasing subsequence.

+45 pts Be first Solve →

Merge two sorted arrays

Merge two sorted arrays into one sorted array.

+12 pts Be first Solve →

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Generate a Monthly Calendar PDF in Python

Build a Command-Line To-Do List Application with Data Persistence in Python

Compress and Extract ZIP Files Programmatically in Python

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Build a Network Ping Monitor in Python

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Convert CSV Files to JSON in Python

How to Find HTML Elements by Tag, Class, ID, CSS Selector, and Attribute in BeautifulSoup

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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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Paste messy code into a split editor, pick line length, and format with autopep8 on the server — then copy the result.

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Open Python code formatter Line length · copy output

Formatter preview Demo

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

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Opinion

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