Master Python, one step at a time
The ultimate resource for beginners to learn, build, and troubleshoot Python with ease. Clear explanations, hands-on examples, and a helping hand for every error.
# pythonbeginner.help
def learn_python():
while curious:
read(); code(); fix_errors()
return "mastery" # you've got this 🐍The Python Beginner Book
A free, read-in-order book: start at zero and work through Python step by step.
- What Is Python? A Beginner-Friendly Introduction
- Why Learn Python? Use Cases and Benefits
- How to Install Python on Windows, macOS, and Linux
- How to Run Python Code (Command Line and IDEs)
- Your First Python Program: Hello World Explained
Error Solutions
Clear explanations and fixes for the most common Python errors and exceptions.
- AssertionError in Python: Causes and Fixes
- AttributeError in Python: Causes and Fixes
- AttributeError: 'int' object has no attribute (Fix)
- AttributeError: 'list' object has no attribute (Fix)
- AttributeError: 'NoneType' object has no attribute (Fix)
Code Examples
Practical, ready-to-use scripts for real-world tasks and common algorithms.
- Python API POST Request Example
- Python API Request Example (GET Request)
- Python Argument Parser Example (argparse)
- Python Basic Class Example (OOP)
- Python Command Line Tool Example
How-to Guides
Short, focused guides for everyday Python tasks — files, strings, dates, and more.
- How to Access Values in a Dictionary in Python
- How to Add a Key to a Dictionary in Python
- How to Add an Item to a List in Python
- How to Add Methods to a Class in Python
- How to Append to a File in Python
Standard Library
Master the powerful built-in modules that make Python so versatile.
- datetime.now() Explained
- datetime.strftime() Explained
- datetime.strptime() Explained
- json.dump() Function Explained
- json.dumps() Function Explained
API Reference
Quick reference for methods and functions on lists, strings, dicts, and more.
- Python abs() Function Explained
- Python all() Function Explained
- Python any() Function Explained
- Python bool() Function Explained
- Python dict() Function Explained
Glossary
Clear definitions for all the programming jargon you might encounter.
- What Is a Boolean in Python?
- What Is a Class in Python?
- What Is a Data Type in Python?
- What Is a Dictionary in Python?
- What Is a Float in Python?
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