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<p>OK, that's it for the hard-core XML stuff. The next chapter will continue to use these same example programs, but focus on
other aspects that make the program more flexible: using streams for input processing, using <tt class="function">getattr</tt> for method dispatching, and using command-line flags to allow users to reconfigure the program without changing the code.
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<p>Before moving on to the next chapter, you should be comfortable doing all of these things:</p>
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