python replace benchmark

bench.py

import timeit
import re


def a(w):
    w = w.replace('g', 'k')
    w = w.replace('z', 's')
    w = w.replace('d', 't')
    w = re.sub(r'[bp]', 'h', w)
    return w


def b(w):
    w = w.replace('g', 'k')
    w = w.replace('z', 's')
    w = w.replace('d', 't')
    w = w.replace('b', 'h')
    w = w.replace('p', 'h')
    return w


def c(w):
    return w.translate(str.maketrans('gzdbp', 'ksthh'))


word = "gagiguzazizudadobabibupapipu"
print(timeit.timeit('a(word)', number=100000, setup="from __main__ import a, word"))
print(timeit.timeit('b(word)', number=100000, setup="from __main__ import b, word"))
print(timeit.timeit('c(word)', number=100000, setup="from __main__ import c, word"))

python bench.py
0.36540638228603406
0.149840317632226
0.2814383770573038