Python List Comprehensions: Explained Visually

“Sometimes a programming design pattern becomes common enough to warrant its own special syntax. Python’s list comprehensions are a prime example of such a syntactic sugar.

List comprehensions in Python are great, but mastering them can be tricky because they don’t solve a new problem: they just provide a new syntax to solve an existing problem.

Let’s learn what list comprehensions are and how to identify when to use them…”

http://treyhunner.com/2015/12/python-list-comprehensions-now-in-color/

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