Add some snippet

This commit is contained in:
Angelos Chalaris
2019-08-20 11:42:30 +03:00
parent 6311698794
commit 9b292be570
2 changed files with 24 additions and 2 deletions

View File

@ -11,12 +11,12 @@ Omit the seconds argument, `fn`, to check if all elements are `True`.
```py
def every(lst, fn=lambda x: not not x):
for el in lst:
if not fn(x):
if not fn(el):
return False
return True
```
```py
every([4, 2, 3], lambda x: x > 1) # true
every([4, 2, 3], lambda x: x > 1) # True
every([1, 2, 3]) # True
```

22
snippets/some.md Normal file
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@ -0,0 +1,22 @@
---
title: some
tags: list,function,intermediate
---
Returns `True` if the provided function returns `True` for at least one element in the list, `False` otherwise.
Iterate over the elements of the list to test if every element in the list returns `True` based on `fn`.
Omit the seconds argument, `fn`, to check if all elements are `True`.
```py
def some(lst, fn=lambda x: not not x):
for el in lst:
if fn(el):
return True
return False
```
```py
some([0, 1, 2, 0], lambda x: x >= 2 ) # True
some([0, 0, 1, 0]) # True
```