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What is string interning in Python?

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01

Understand the problem

Shared immutable strings.

strinterning
02

Attempt it yourself

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Nudge consolestandby

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03

Study the solution

CPython stores certain strings (identifiers, short literals) in an intern pool so equal strings share one object, speeding up dict/identifier comparisons.

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04

Run the code

PYAuto-interned literals vs a runtime-built string
05

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