setdefault sets the value corresponding to the given key if it is not already in the dictionary : setdefault « Dictionary « Python Tutorial

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Python Tutorial » Dictionary » setdefault   8. 23. 1. setdefault sets the value corresponding to the given key if it is not already in the dictionary # when the key is missing, setdefault returns the default and updates the dictionary accordingly.  d = {} d.setdefault('name', 'N/A') d['name'] = 'Gumby' d.setdefault('name', 'N/A') print d 8. 23. setdefault 8. 23. 1.  setdefault sets the value corresponding to the given key if it is not already in the dictionary 8. 23. 2.  setdefault(): set a default value and then return it.

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