<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\chapter{Built-in Modules}

The modules described in this chapter are built into the interpreter
and considered part of Python's standard environment: they are always
available.\footnote{at least in theory --- it is possible to specify
at build time that one or more of these modules should be excluded,
but it would be antisocial to do so.}
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