Add take, take_right

This commit is contained in:
Angelos Chalaris
2020-03-16 19:52:44 +02:00
parent 3de4296dc8
commit d5878dbb14
2 changed files with 36 additions and 0 deletions

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---
title: take
tags: list,beginner
---
Returns a list with `n` elements removed from the beginning.
Use slice notation to create a slice of the list with `n` elements taken from the beginning.
```py
def take(itr, n = 1):
return itr[:n]
```
```py
take([1, 2, 3], 5) # [1, 2, 3]
take([1, 2, 3], 0) # []
```

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---
title: take_right
tags: list,beginner
---
Returns a list with `n` elements removed from the end.
Use slice notation to create a slice of the list with `n` elements taken from the end.
```py
def take_right(itr, n = 1):
return itr[-n:]
```
```py
take_right([1, 2, 3], 2) # [2, 3]
take_right([1, 2, 3]) # [3]
```