\begin{verbatim}
>>> import sys
->>> print sys.argv[]
+>>> print sys.argv
['demo.py', 'one', 'two', 'three']
\end{verbatim}
\section{Mathematics\label{mathematics}}
-The \ulink{\module{math}}{../lib/module-math.html} math module gives
+The \ulink{\module{math}}{../lib/module-math.html} module gives
access to the underlying C library functions for floating point math:
\begin{verbatim}
\begin{verbatim}
>>> from timeit import Timer
>>> dir(Timer)
->>> Timer('t=a; a=b; b=t', 'a=1; b=1').timeit()
+>>> Timer('t=a; a=b; b=t', 'a=1; b=2').timeit()
0.60864915603680925
->>> Timer('a,b = b,a', 'a=1; b=1').timeit()
+>>> Timer('a,b = b,a', 'a=1; b=2').timeit()
0.8625194857439773
\end{verbatim}