import itertools
import time
from multiprocessing.pool import Pool


class Test:
    @classmethod
    def x(cls,y):
        time.sleep(y)
        print(f"{y}")

def threaded_map(t):
    lmb, obj = t
    return lmb(obj)

class Other:
    @classmethod
    def temp(cls):
        with Pool(3) as p:
            p.map(threaded_map, itertools.product([Test.x], [1.0, 5.5, 0.1, 0.2, 1.0]))

Other.temp()