Python

Builder Self in Python

PythonAdvanced Typing (3.11+)Self Typeadvanced

What this snippet does

Self types are essential for fluent interfaces and builder patterns to maintain subclass types.

Expected output

query

Why practise typing this

Typing advanced typing (3.11+) 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.

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