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Question

Suppose d = {“john”:40, “peter”:45}, what happens when we try to retrieve a value using the expression d[“susan”]?

a.

Since “susan” is not a value in the set, Python raises a KeyError exception

b.

It is executed fine and no exception is raised, and it returns None

c.

Since “susan” is not a key in the set, Python raises a KeyError exception

d.

Since “susan” is not a key in the set, Python raises a syntax error

Posted under Python

Answer: (c).Since “susan” is not a key in the set, Python raises a KeyError exception

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Q. Suppose d = {“john”:40, “peter”:45}, what happens when we try to retrieve a value using the expression d[“susan”]?

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