Python .fromkeys()

StevenSwiniarski's avatar
StevenSwiniarski's avatar
StevenSwiniarski
Published May 23, 2022

The .fromkeys() method returns a dictionary with a specified set of keys. It can also initialize the entries with a specified value.

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Syntax

dict.fromkeys(keys,value)

Where keys is an iterable containing the keys for the new dictionary and value is an optional initial value for the new entries in the dictionary. If value is not specified, the default initial value for each key will be None.

Codebyte Example

The following example creates a new dictionary with an initial value for each key.

Code
Output


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  • Career path
    Computer Science
    Looking for an introduction to the theory behind programming? Master Python while learning data structures, algorithms, and more!
    • Includes 6 Courses
    • With Professional Certification
    • Beginner Friendly.
      75 hours
  • Course
    Learn Python 3
    Learn the basics of Python 3.12, one of the most powerful, versatile, and in-demand programming languages today.

    • With Certificate
    • Beginner Friendly.
      24 hours