Quiz: Exceptions and Files

5 questionsNo time limitPass: 60%+10 XP on first pass

Handle errors gracefully with try, except, else and finally, raise your own errors, and read and write text, CSV and JSON files safely with "with open()".

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Question 1
Which block ALWAYS runs, error or not?
tryexceptelsefinally
Question 2
What error does int("12a") raise?
TypeErrorValueErrorSyntaxErrorKeyError
Question 3
What does opening an existing file with mode "w" do?
Adds to the endErases its contents firstOpens it read-onlyRaises an error

Question 4

What does this print?

try:
    x = [1, 2][5]
except IndexError:
    print("bad index")
else:
    print("ok")

bad indexokbad index and okNothing

Question 5
Why use with open(...) as f:?
It makes reading fasterIt closes the file automatically, even if an error occursIt is required for "r" modeIt encrypts the file