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.
Answer:
B = Create a variable
Explanation:
First off to understand this question, you need to understand what a NameError is. A NameError is when a function or variable isn't valid, or is not defined. So what you need to do it make a variable that is valid/defined. Therefore the answer is B create a variable
I hope this helps!