JuniorTheoryCommon

What does the program print?

Python

stock = {"apple": 3, "pear": 0}
print(stock.get("pear", 5), stock.get("plum"), "plum" in stock)

0 None False

Expecting 5 for "pear": the default is used only when the key is missing, and "pear" is present with the value 0, so get returns 0.
Expecting a KeyError for "plum": get never raises on a missing key; without a default it returns None. Only stock["plum"] raises.