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Python Dictionary setdefault() Method

❮ Dictionary Methods

Example

Get the value of the "model" item:

car = {
  "brand": "Ford",
  "model": "Mustang",
  "year": 1964
}

x = car.setdefault("model", "Bronco")

print(x)
Run example »

Definition and Usage

The setdefault() method returns the value of the item with the specified key.

If the key does not exist, insert the key, with the specified value, see example below

Syntax

dictionary.setdefault(keyname, value)

Parameter Values

Parameter Description
keyname Required. The keyname of the item you want to return the value from
value Optional.
If the key exist, this parameter has no effect.
If the key does not exist, this value becomes the key's value
Default value None

More Examples

Example

Get the value of the "color" item, if the "color" item does not exist, insert "color" with the value "white":

car = {
  "brand": "Ford",
  "model": "Mustang",
  "year": 1964
}

x = car.setdefault("color", "white")

print(x)
Run example »

❮ Dictionary Methods