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added some clarification on the default value for dictionary.get

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Kyle Partridge 2013-06-28 13:55:16 -07:00
parent 2e805c8c02
commit fe5f72d868
1 changed files with 4 additions and 0 deletions
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@ -200,6 +200,10 @@ filled_dict.values() #=> [3, 2, 1]
filled_dict["four"] #=> KeyError filled_dict["four"] #=> KeyError
# Use get method to avoid the KeyError # Use get method to avoid the KeyError
filled_dict.get("one") #=> 1
filled_dict.get("four") #=> None
# The get method supports a default argument when the value is missing
filled_dict.get("one", 4) #=> 1 filled_dict.get("one", 4) #=> 1
filled_dict.get("four", 4) #=> 4 filled_dict.get("four", 4) #=> 4