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snippets/python/s/some.md

@@ -0,0 +1,22 @@
+---
+title: Test if some list elements are truthy
+type: snippet
+language: python
+tags: [list]
+cover: pink-flower-tree
+dateModified: 2020-11-02T19:28:35+02:00
+---
+
+Checks if the provided function returns `True` for at least one element in the list.
+
+- Use `any()` in combination with `map()` to check if `fn` returns `True` for any element in the list.
+
+```py
+def some(lst, fn = lambda x: x):
+  return any(map(fn, lst))
+```
+
+```py
+some([0, 1, 2, 0], lambda x: x >= 2 ) # True
+some([0, 0, 1, 0]) # True
+```