How-to articles, tricks, and solutions about PYTHON
What are the most common Python docstring formats?
There are several common formats for Python docstrings, including:
What can I do about "ImportError: Cannot import name X" or "AttributeError: ... (most likely due to a circular import)"?
This error typically occurs when there is a circular import between two or more modules.
What do __init__ and self do in Python?
__init__ is a special method in Python classes, also known as a constructor.
What does -> mean in Python function definitions?
In Python, the "->" symbol is used to indicate the return type of a function.
What does %s mean in a Python format string?
In a Python format string, the %s placeholder represents a string.
What does the 'b' character do in front of a string literal?
The 'b' character in front of a string literal indicates that the string is a bytes literal.
What does the "at" (@) symbol do in Python?
In Python, the "at" (@) symbol is used to decorate a function.
What exactly do "u" and "r" string prefixes do, and what are raw string literals?
In Python, the "r" prefix before a string denotes that it is a raw string literal.
What is __pycache__?
__pycache__ is a directory that is created by the Python interpreter when it imports a module.
What is a clean "pythonic" way to implement multiple constructors?
A "pythonic" way to implement multiple constructors in Python is to use the @classmethod decorator.
What is a cross-platform way to get the home directory?
The os.path module in Python provides a cross-platform way to get the home directory.