October 14, 2014 in Python
A defaultdict works exactly like a normal dict, but it is initialized with a function (“default factory”) that takes no arguments and provides the default value for a nonexistent key.
Read MoreAugust 28, 2014 in Python
When you need to represent a list of identical objects with different values, you start with a list of tuples. It’s an efficient way to hold a collection of related data. Tuples are like structures or records in other languages, but indexed with integers, like lists.
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