Update flatten.md

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Angelos Chalaris
2019-09-19 20:43:36 +03:00
committed by GitHub
parent 643aaf3a31
commit 8f80a29232

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@ -3,7 +3,7 @@ title: flatten
tags: list,intermediate
---
Flattens a list of lists.
Flattens a list of lists once.
Use nested list comprehension to extract each value from sub-lists in order.