from timer_runner import runner
repslist = list(range(10_000))

def F(x): return x

def forLoop():
    res = []
    for x in repslist:
        res.append(F(x))
    return res

def listComp():
    return [F(x) for x in repslist]

def mapCall():
    return list(map(F, repslist))

def genExpr():
    return list(F(x) for x in repslist)  

def genFunc():
    def gen():
        for x in repslist:
            yield F(x)
    return list(gen())

runner(forLoop, listComp, mapCall, genExpr, genFunc)