operate on two list at once

kv_zip.py

def process(kstr, vstr, n):
    k = filter(lambda x: x != "id", kstr.split())
    v = vstr.split()
    kv = list(zip(k, v))

    exe = filter(lambda x: x[0] == "execution", kv)
    tot = filter(lambda x: x[0] == "total", kv)

    times = ((float(t[1]), float(e[1])) for e,t in zip(exe, tot))

    best_times = sorted(times)[:n]
    return best_times