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python/snippets/every-nth.md

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+---
+title: Every nth element in list
+type: snippet
+tags: [list]
+cover: cherry-trees
+dateModified: 2020-11-02T19:27:53+02:00
+---
+
+Returns every `nth` element in a list.
+
+- Use slice notation to create a new list that contains every `nth` element of the given list.
+
+```py
+def every_nth(lst, nth):
+  return lst[nth - 1::nth]
+```
+
+```py
+every_nth([1, 2, 3, 4, 5, 6], 2) # [ 2, 4, 6 ]
+```