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notes on case-sensitivity

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Mark Pilgrim
2009-08-04 20:06:12 -07:00
parent b34f7664da
commit 9fef46462c
1 changed files with 24 additions and 0 deletions
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your-first-python-program.html
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@@ -324,6 +324,30 @@ NameError: name 'x' is not defined</samp>
<p>You will thank Python for this one day.
<h3 id=case>Everything is Case-Sensitive</h3>
<p>All names in Python are case-sensitive: variable names, function names, class names, module names, exception names. If you can get it, set it, call it, construct it, import it, or raise it, it&#8217;s case-sensitive.
<pre class='nd screen'>
<samp class=p>>>> </samp><kbd class=pp>an_integer = 1</kbd>
<samp class=p>>>> </samp><kbd class=pp>an_integer</kbd>
<samp class=pp>1</samp>
<samp class=p>>>> </samp><kbd>AN_INTEGER</kbd>
<samp class=traceback>Traceback (most recent call last):
File "&lt;stdin>", line 1, in &lt;module>
NameError: name 'AN_INTEGER' is not defined</samp>
<samp class=p>>>> </samp><kbd>An_Integer</kbd>
<samp class=traceback>Traceback (most recent call last):
File "&lt;stdin>", line 1, in &lt;module>
NameError: name 'An_Integer' is not defined</samp>
<samp class=p>>>> </samp><kbd>an_inteGer</kbd>
<samp class=traceback>Traceback (most recent call last):
File "&lt;stdin>", line 1, in &lt;module>
NameError: name 'an_inteGer' is not defined</samp>
</pre>
<p>And so on.
<p class=a>&#x2042;
<h2 id=runningscripts>Running Scripts</h2>