Python

Custom Collection in Python

PythonMagic Methods (Advanced)Contains Methodadvanced

What this snippet does

Overloading 'in' provides an intuitive API for checking if custom collections contain an item.

Expected output

True

Why practise typing this

Typing magic methods (advanced) code builds muscle memory for the symbols and indentation Python uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.

More Python practice

Browse all Python snippets →