[Python] The get() method on Python dicts and its "default" arg

# The get() method on dicts
# and its "default" argument

name_for_userid = {
382: "Alice",
590: "Bob",
951: "Dilbert",
}

def greeting(userid):
return "Hi %s!" % name_for_userid.get(userid, "there")

>>> greeting(382)
"Hi Alice!"

>>> greeting(333333)
"Hi there!"