Python string lookup vs list lookup speed

string-vs-list-lookup.py

import random
import perfplot

lst = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l"]
string = "abcdefghijkl"


def list_lookup(data):
    return [lst[n] for n in data]


def string_lookup(data):
    return [string[n] for n in data]


b = perfplot.bench(
    setup=lambda n: [random.randint(0, 11) for _ in range(n)],
    kernels=[list_lookup, string_lookup],
    n_range=[2 ** k for k in range(20)],
    equality_check=None,
)
b.save("out.png")
b.show()