30秒学会 Python 片段 – Find last matching value

Finds the value of the last element in the given list that satisfies the provided testing function.

• Use a 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

翻译自：https://www.30secondsofcode.org/python/s/find-last