Functional
Beginner 2 min read
List Comprehensions
Build lists in a single expressive line
Python Academy
Python Engineer
List comprehensions replace verbose for-loops with a concise, readable expression. The syntax `[expr for item in iterable if condition]` lets you map and filter in one line. They are also slightly faster than equivalent loops because Python optimizes them at the bytecode level. Use them whenever the transformation is simple enough to fit on one line without sacrificing clarity.
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