len()
Built-in FunctionPython 2.0+Beginner
Returns the number of items in a container
Quick Info
- Documentation
- Official Docs
- Python Version
- 2.0+
Learn by Difficulty
Quick Example
python
print(len("Hello")) print(len([1, 2, 3, 4, 5])) print(len({"a": 1, "b": 2}))
len() is a built-in function that returns the number of items in a container.
Try in PlaygroundTags
builtinfunctioncoresequencesize