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Python Dictionary fromkeys() Method

❮ Dictionary Methods

Example

Create a dictionary with 3 keys, all with the value 0:

x = ('key1', 'key2', 'key3')
y = 0

thisdict = dict.fromkeys(x, y)

print(thisdict)
Try it Yourself »

Definition and Usage

The fromkeys() method returns a dictionary with the specified keys and the specified value.

Syntax

dict.fromkeys(keys, value)

Parameter Values

Parameter Description
keys Required. An iterable specifying the keys of the new dictionary
value Optional. The value for all keys. Default value is None

More Examples

Example

Same example as above, but without specifying the value:

x = ('key1', 'key2', 'key3')

thisdict = dict.fromkeys(x)

print(thisdict)
Try it Yourself »

❮ Dictionary Methods