title | type | language | tags | cover | dateModified | |
---|---|---|---|---|---|---|
Find matching value |
snippet |
python |
|
angry-waves |
2020-11-02 |
Finds the value of the first element in the given list that satisfies the provided testing function.
- Use a list comprehension and
next()
to return the first element inlst
for whichfn
returnsTrue
.
def find(lst, fn):
return next(x for x in lst if fn(x))
find([1, 2, 3, 4], lambda n: n % 2 == 1) # 1