Answer:
You can't call a function unless you've already defined it. Move the def createDirs(): block up to the top of your file, below the imports.
Explanation:
Some languages allow you to use functions before defining them. For example, javascript calls this "hoisting". But Python is not one of those languages.
More than one sound source and listening device<span>
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An algorithm<span> is a well-defined procedure that allows a </span>computer<span> to solve a problem. Another way to describe an </span>algorithm<span> is a sequence of unambiguous instructions. ... In fact, it is difficult to think of a task performed by your </span>computer<span> that does not use</span>algorithms<span>.</span>
