Compare performance conditionals between if None and if []

test.py

import time

N = 1000000

def benchmark():
    l = None
    start = time.time()
    for i in range(N):
        if l:
            pass
    elapsed = time.time() - start
    print("Time op if None:  ~ {} nanosecond".format((elapsed/N)*1e9))

    l = []
    start = time.time()
    for i in range(N):
        if l:
            pass
    elapsed = time.time() - start
    print("Time op if []: ~ {} nanosecond".format((elapsed/N)*1e9))


benchmark()