From the code you posted, there is no function call to vendingMachine()
Try at the top of your code:
print ("hello")
vendingMachine()
def vendingMachine():
...
The answer is b It allows you to modify the animation for any properties using F-Curves. The Graph editor has two modes, F-Curve for Actions, and Drivers for Drivers. Both are very similar in function.
i think its the first sentence: Mobile devices have become the main source of communication for many people around the world
if im wrong im dum ;-;
Answer:
c
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