Python Dictionary setdefault() Method

• The setdefault() method returns the value of a key (if the key is in dictionary). If not, it inserts key with a value to the dictionary.

Syntax

• dictionary.setdefault(keyname, value)

Parameter Values

• value of the key if it is in the dictionary

• None if key is not in the dictionary and default_value is not specified

• default_value if key is not in the dictionary and default_value is specified