In Python, dictionaries are powerful tools for storing key-value pairs. However, they have one limitation: accessing a non-existent key raises a KeyError. This can be inconvenient and require additional checks in your code.

This is where defaultdict comes in. It's a subclass of the built-in dict class that offers advanced functionality for handling missing keys. Here's what you need to know about defaultdict and advanced dictionaries:

Today we learn about defaultdict and advanced dictionaries in Python.

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