Answer: Python Puzzler #3886

The answer is C. The program prints:

hoot

This answer was checked by running the program for real.

Why?

A dictionary stores pairs: a key and its value. sounds["owl"] looks up the key ‘owl’ and gives back its value.

Trace table

A trace table follows the program step by step. Here’s this one:

key	value
bee	buzz
owl	hoot
frog	ribbit
mouse	squeak

The code again

sounds = {
    "bee": "buzz",
    "owl": "hoot",
    "frog": "ribbit",
    "mouse": "squeak",
}
print(sounds["owl"])