Max list value based on function
Python, Math, List · Nov 2, 2020
Returns the maximum value of a list, after mapping each element to a value using the provided function.
- Use
map()withfnto map each element to a value using the provided function. - Use
max()to return the maximum value.
def max_by(lst, fn):
return max(map(fn, lst))max_by([{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }], lambda v : v['n']) # 8
