Reference library

Python Code Samples

Easy snippets you can copy, study, and run in the browser editor.

3 matches
OOP & classes easy

Design a Data Helper Class in Python

Create a simple Object-Oriented data helper with DataPoint and Dataset classes that store, describe, and summarize coordinate points.

oop classes data-helper
Python
class DataPoint:
    def __init__(self, x, y):
        self.x = x
        self.y = y
        self.label = None

    def describe(self):
        """Return a human-readable description of the data point."""
        base = f"DataPoint(x={self.x}, y={self.y})"
        return f"{base}, label='{self.label}'" if self.label e…
15 0 Open
OOP & classes easy

How to Build a Data Helper Class in Python with OOP

Create a beginner-friendly Python class that loads CSV data, filters records by field, and counts entries using object-oriented programming.

oop csv data
Python
class DataHelper:
    """A beginner-friendly OOP helper for handling simple datasets."""
    
    def __init__(self, filename):
        self.filename = filename
        self.data = self._load_data()
    
    def _load_data(self):
        """Load data from a CSV file into a list of dictionaries."""
        import csv
 …
12 0 Open
OOP & classes easy

How to Define a Simple Class with __init__ and __repr__ in Python

Defines a Person class with __init__ to store name and age, and __repr__ to give a readable string representation.

class oop init
Python
class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

    def __repr__(self):
        return f"Person(name='{self.name}', age={self.age})"


if __name__ == "__main__":
    p1 = Person("Alice", 30)
    p2 = Person("Bob", 25)
    print(p1)
    print(p2)
10 0 Open

Browse by section

Each section groups closely related Python snippets.

Guide: free Python code samples library

Copy-ready Python snippets for learners and developers

PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

How to use this library

  1. Pick a topic section — strings, lists, files, functions, and more
  2. Open a sample, read How it works, and copy the code block
  3. Run it in the IDE, tweak values, then take a related quiz or tutorial lesson

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.