Real Python - Handling Missing Keys With the Python defaultdict Type

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MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 Ch
Genre: eLearning | Language: English | Duration: 7 Lessons (43m) | Size: 118.6 MB

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 grouping, counting, and accumulating operations

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