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<p class=MsoNormal><span lang=EN-US>Hi:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>¡°</span><code><span lang=EN-US
style='font-size:12.0pt'>a[i:j, k:l]</span></code><span lang=EN-US>¡± in the
python 2.5 documentation.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>But I don¡¯t know how to using it.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>There is a error if I run this codes:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'>>>> a =
"abcdefghigklmn"<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'>>>> a[1:3, 4:7]<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'>Traceback (most recent
call last):<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'> File
"<stdin>", line 1, in <module><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'>TypeError: string indices
must be integers<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Please give me a right code .<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Thank you very much.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Guzl<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>2010-10-5 22:45:33<o:p></o:p></span></p>
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