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This article mainly introduces how to set the default value of the dictionary in python, which is very detailed and has certain reference value. Friends who are interested must read it!

Dictionary default

By taking the corresponding Value value through Key, you can set the default value in the following ways. If the get () method does not set the default value, it returns None if it encounters a Key that does not exist.

D = {'averse: 1,' baked: 2} print (d.get ('citation, 3)) # what does 3python mean? Python is a cross-platform, interpretive, compiled, interactive and object-oriented scripting language that was originally designed to write automated scripts. as versions are constantly updated and new features are added, it is often used to develop independent and large projects.

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