"Use keyword-only arguments with defaults for reps, and positional-only for func."

import time
timer = time.perf_counter

def once(func, /, *pargs, **kargs):
    start   = timer()
    result  = func(*pargs, **kargs)
    elapsed = timer() - start
    return (elapsed, result)

def total(func, /, *pargs, _reps=100_000, **kargs):
    total = 0
    for i in range(_reps):
        time, result = once(func, *pargs, **kargs)
        total += time
    return (total, result)

def bestof(func, /, *pargs, _reps=5, **kargs):
    return min(once(func, *pargs, **kargs) for i in range(_reps))

def bestoftotal(func, /, *pargs, _reps1=50, **kargs):
    return min(total(func, *pargs, **kargs) for i in range(_reps1))    # _reps => **