python / beginner
Snippet
Basic List Comprehensions
List comprehensions provide a concise way to create new lists by applying an expression to each item in an existing list.
snippet.py
python
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numbers = [1, 2, 3, 4]doubled = [n * 2 for n in numbers]print(doubled)
Breakdown
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numbers = [1, 2, 3, 4]
Defines a starting list of integers.
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doubled = [n * 2 for n in numbers]
Iterates through 'numbers' and multiplies each element by 2 to build a new list.