Writing and Troubleshooting Python Scripts

Question 1

how do you call the main function

Answer 1

if __name__ == “__main__”:

Question 2

why .pyc extension is needed

Answer 2

python code is still compiles byte level code upon execution for speed

Question 3

what is a global variable

Answer 3

variables that are defined to be available everywhere in the script

Question 4

variable passed in to functions have which scope

Answer 4

local scope

Question 5

what is Python’s way to handle exceptions

Answer 5

try/except statements

Question 6

exceptions are

Answer 6

errors detected during execution

Question 7

why do you want to handle exceptions properly

Answer 7

it allows you to catch them and possibly execute a piece of code on an event of an error (like notify or reboot a device)

Question 8

what is IndexError

Answer 8

index value does not exist when reading a list