pythonでjsonをtsvに

import glob
import json

def listArray(key,arr):
    for a in arr:
        if type(a) is list:
            listArray(key, a)
        elif type(a) is dict:
            listDic(key, a)
        else:
            print(key, a)


def listDic(key,dic):
    for k,v in dic.items():
        if type(v) is list:
            listArray(key+"\t"+k, v)
        elif type(v) is dict:
            listDic(key+"\t"+k, v)
        else:
            print(key+"\t"+k, v)

for fpath in glob.glob("./*.json"):

    print(fpath)
    f=open(fpath, 'r')

    dic=json.load(f)

    for key,val in dic.items():

        if type(val) is list:
            listArray(key, val)
        elif type(val) is dict:
            listDic(key, val)
        else:
            print(key, val)

keyはスタックしていきます