# 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!"
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本文标题：The get() method on Python dicts
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