Python: Dict get with default value to void key not found error

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

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

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

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

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