The built-in help()
function provides access to Python’s interactive help system, allowing users to view documentation for Python objects, modules, keywords, and more. When called without arguments, it opens the interactive help utility in the console:
help()
Signatures Arguments Argument Description request
A string or object used to retrieve the help documentation. Return Value
help()
opens the interactive help utility.help()
Examples
With no arguments, opens the interactive help utility:
With a class as an argument:
With a module name as a string:
help()
Common Use Cases
The most common use cases for the help()
function include:
help()
Real-World Example
Imagine you’re working with a new Python library and you need to understand how a specific function works. You can use help()
to quickly access the documentation for that function:
This will display the documentation for the json.loads()
function, helping you understand its purpose and usage.
Tutorial
Python's Built-in Functions: A Complete ExplorationIn this tutorial, you'll learn the basics of working with Python's numerous built-in functions. You'll explore how to use these predefined functions to perform common tasks and operations, such as mathematical calculations, data type conversions, and string manipulations.
For additional information on related topics, take a look at the following resources:
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