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https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 0447a32bcc1036fa546a4674ce30184144d38844 authored by Guido van Rossum on 08 October 1995, 01:22:33 UTC, committed by Guido van Rossum on 08 October 1995, 01:22:33 UTC 
release 1.3 for real
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Tip revision: 0447a32bcc1036fa546a4674ce30184144d38844 authored by Guido van Rossum on 08 October 1995, 01:22:33 UTC
release 1.3 for real
Tip revision: 0447a32
libpython.tex 
\chapter{Python Services}

The modules described in this chapter provide a wide range of services
related to the Python interpreter and its interaction with its
environment.  Here's an overview:

\begin{description}

\item[sys]
--- Access system specific parameters and functions.

\item[types]
--- Names for all built-in types.

\item[traceback]
--- Print or retrieve a stack traceback.

\item[pickle]
--- Convert Python objects to streams of bytes and back.

\item[shelve]
--- Python object persistency.

\item[copy]
--- Shallow and deep copy operations.

\item[marshal]
--- Convert Python objects to streams of bytes and back (with
different constraints).

\item[imp]
--- Access the implementation of the \code{import} statement.

\item[__builtin__]
--- The set of built-in functions.

\item[__main__]
--- The environment where the top-level script is run.

\end{description}
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