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Incorporate suggestions from Aahz.

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Raymond Hettinger 2003-12-06 20:12:00 +00:00
parent d25c1c6351
commit b7a10d1bc5
1 changed files with 9 additions and 7 deletions
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Doc/tut/tut.tex
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@ -2,9 +2,6 @@
\usepackage[T1]{fontenc} \usepackage[T1]{fontenc}
% Things to do: % Things to do:
% Add a section on file I/O
% Write a chapter entitled ``Some Useful Modules''
% --re, math+cmath
% Should really move the Python startup file info to an appendix % Should really move the Python startup file info to an appendix
\title{Python Tutorial} \title{Python Tutorial}
@ -4397,7 +4394,7 @@ operating system:
\begin{verbatim} \begin{verbatim}
>>> import os >>> import os
>>> os.system('copy /data/mydata.fil /backup/mydata.fil') >>> os.system('time 0:02')
0 0
>>> os.getcwd() # Return the current working directory >>> os.getcwd() # Return the current working directory
'C:\\Python24' 'C:\\Python24'
@ -4484,9 +4481,7 @@ The most direct way to terminate a script is to use \samp{sys.exit()}.
The \ulink{\module{re}}{../lib/module-re.html} The \ulink{\module{re}}{../lib/module-re.html}
module provides regular expression tools for advanced string processing. module provides regular expression tools for advanced string processing.
When only simple capabilities are needed, string methods are preferred For complex matching and manipulation, regular expressions offer succinct,
because they are easier to read and debug. However, for more
sophisticated applications, regular expressions can provide succinct,
optimized solutions: optimized solutions:
\begin{verbatim} \begin{verbatim}
@ -4497,6 +4492,13 @@ optimized solutions:
'cat in the hat' 'cat in the hat'
\end{verbatim} \end{verbatim}
When only simple capabilities are needed, string methods are preferred
because they are easier to read and debug:
\begin{verbatim}
>>> 'tea for too'.replace('too', 'two')
'tea for two'
\end{verbatim}
\section{Mathematics\label{mathematics}} \section{Mathematics\label{mathematics}}