From: Georg Brandl <georg@python.org>
Date: Tue, 22 Nov 2005 19:50:14 +0000 (+0000)
Subject: Added example for the ** operator in function calls
X-Git-Tag: v2.5a0~1119
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3c9f9ac62bb3b2f96a7735491a82ff57464371bb;p=thirdparty%2FPython%2Fcpython.git

Added example for the ** operator in function calls
---

diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index ee911b3ef3e4..e3cb1de5c46b 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -1642,6 +1642,20 @@ are not available separately, write the function call with the
 [3, 4, 5]
 \end{verbatim}
 
+In the same fashion, dictionaries can deliver keyword arguments with the
+\code{**}-operator:
+
+\begin{verbatim}
+>>> def parrot(voltage, state='a stiff', action='voom'):
+...     print "-- This parrot wouldn't", action,
+...     print "if you put", voltage, "volts through it.",
+...     print "E's", state, "!"
+...
+>>> d = {"voltage": "four million", "state": "bleedin' demised", "action": "VOOM"}
+>>> parrot(**d)
+-- This parrot wouldn't VOOM if you put four million volts through it. E's bleedin' demised !
+\end{verbatim}
+
 
 \subsection{Lambda Forms \label{lambda}}