18 lines
309 B
Markdown
18 lines
309 B
Markdown
---
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title: similarity
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tags: list,beginner
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---
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Returns a list of elements that exist in both lists.
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- Use a list comprehension on `a` to only keep values contained in both lists.
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```py
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def similarity(a, b):
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return [item for item in a if item in b]
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```
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```py
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similarity([1, 2, 3], [1, 2, 4]) # [1, 2]
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```
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