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Add sum_by snippet

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Angelos Chalaris
2019-08-21 08:30:04 +03:00
parent a8f9f6bf52
commit ff960fe985
3 changed files with 19 additions and 2 deletions
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snippets/min_by.md
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@ -5,7 +5,7 @@ tags: math,list,function,beginner
Returns the minimum value of a list, after mapping each element to a value using the provided function.
use `map()` with `fn` to map each element to a value using the provided function, convert to a `list` and use `min()` to return the minimum value.
Use `map()` with `fn` to map each element to a value using the provided function, convert to a `list` and use `min()` to return the minimum value.
```py
def min_by(lst, fn):