title: find_last
tags: list,beginner
Returns the value of the last element in the provided list that satisfies the provided testing function.
Use list comprehension and next()
to return the last element in lst
for which fn
returns True
.
代码实现
def find_last(lst, fn):
return next(x for x in lst[::-1] if fn(x))
使用样例
find_last([1, 2, 3, 4], lambda n: n % 2 == 1) # 3