test_max_odd.py

from itertools import ifilter
from time import time

def time_it(func, *args, **kwargs):
    def func_wrapper(*args, **kwargs):
        t1 = time()
        func(*args, **kwargs)
        t2 = time()
        print("Function Executed in: {} seconds".format(t2 - t1))
    return func_wrapper

@time_it
def naive_max_odd(data):
    return max([x for x in data if x % 2 == 1])

@time_it
def max_odd(data):
    return max(ifilter(lambda x: x%2, data))