About Development : Handling-Missing-Keys-With-the-Python-defaultdict-Type

Description

The Python defaultdict type behaves almost exactly like a regular Python dictionary, but if you try to access or modify a missing key, then defaultdict will automatically create the key and generate a default value for it. This makes defaultdict a valuable option for handling missing keys in dictionaries.

In this course, you’ll learn:

  • How to use the Python defaultdict type for handling missing keys in a dictionary
  • When and why to use a Python defaultdict rather than a regular dict
  • How to use a defaultdict for groupingcounting, and accumulating operations

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Handling Missing Keys With the Python defaultdict Type.zip (124.9 MB) | Mirror

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