\chapter{Development Tools}\label{development} The modules described in this chapter help you write software.  Forexample, the \module{pydoc} module takes a module and generatesdocumentation based on the module's contents.  The \module{doctest}and \module{unittest} modules contains frameworks for writing unit teststhat automatically exercise code and verify that the expected output is produced. The list of modules described in this chapter is: \localmoduletable