argmax benchmark

import random
import time
import timeit
from itertools import *

t = [random.random() for _ in range(100000)]

def argmax1( ):
    return max( range(len(t)), key=lambda x:t[x] )

def argmax2( ):
    return max( range(len(t)), key=t.__getitem__ )

def argmax3( ):
    return t.index( max( t ) )

def argmax4( ):
    return max(enumerate(t), key=lambda t:t[1])[0]

def argmax5( ):
    ret = 0
    maxval = t[0]
    for i in range(len(t)):
      if maxval < t[i]:
        ret, maxval = i, t[i]
    return ret

def argmax6( ):
    return max(zip(t, range(len(t))))[1]

guys = [argmax1, argmax2, argmax3, argmax4, argmax5, argmax6 ]
for f in guys:
    print(f.__name__, timeit.timeit(f, number=10))