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Boston Python Workshop 6/Friday/Tutorial: Difference between revisions
Boston Python Workshop 6/Friday/Tutorial (view source)
Revision as of 14:04, 31 March 2012
, 12 years ago→End of Part 2
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===String Concatenation===
You can smoosh strings together (called "concatenation") using the '+' sign:
<pre>
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print len("")
fish = "humuhumunukunukuapuaʻa"
length = str(len(fish))
print fish + " is a Hawaiian fish whose name is " +
</pre>
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3.
<pre>
print 2.0 * 123 + str(2.0) * 123
</pre>
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</pre>
Use <code>==</code> to test for equality. Recall that <code>=</code> is used for <i>assignment</i>
This is an important idea and can be a source of bugs until you get used to it: <b>= is assignment, == is comparison</b>.
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Functions don't have to return anything, if you don't want them to. They usually return something because we usually want to be able to assign variables to their output.
==End of Part 2==
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Take a break, stretch, meet some neighbors, and ask the staff if you have any questions about this material.
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