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