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								\chapter{Miscellaneous Services}
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								The modules described in this chapter provide miscellaneous services
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								that are available in all Python versions.  Here's an overview:
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								\begin{description}
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								\item[math]
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								--- Mathematical functions (\code{sin()} etc.).
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								\item[whrandom]
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								--- Floating point pseudo-random number generator.
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								\item[random]
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								--- Generate pseudo-random numbers with various common distributions.
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								\item[rand]
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								--- Integer pseudo-random number generator (obsolete).
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								\item[array]
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								--- Efficient arrays of uniformly typed numeric values.
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								\end{description}
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