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Merge pull request #125 from robotenique/master

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[ENHANCEMENT] update intersection snippet
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Angelos Chalaris
2019-10-03 10:38:43 +03:00
committed by GitHub
parent 5510177a79 20a462d32f
commit c230973b01
1 changed files with 3 additions and 3 deletions
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snippets/intersection.md
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@ -5,12 +5,12 @@ tags: list,beginner
Returns a list of elements that exist in both lists.
Create a `set` from `b`, then use list comprehension on `a` to only keep values contained in both lists.
Create a `set` from `a` and `b`, then use the built-in set operator `&` to only keep values contained in both sets, then transform the `set` back into a `list`.
```py
def intersection(a, b):
_b = set(b)
return [item for item in a if item in _b]
_a, _b = set(a), set(b)
return list(_a & _b)
```
```py