LRU_CACHE Example

from functools import lru_cache
from time import sleep
from timeit import timeit

@lru_cache(maxsize=None)
def some_function(some_value):
    sleep(1)
    return some_value * 2

def do_range():
    for j in range(0, 10):
        ret = some_function(j)

print("Round 1 (Nothing Memoized):", timeit("do_range()", setup="from __main__ import do_range"))
print("Round 2 (Memoized):", timeit("do_range()", setup="from __main__ import do_range"))