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我想编写一个应该执行以下操作的代码：

  1. 将 JSON 数据写入文件
  2. 在异步 python 中运行以更新该文件

这是我到目前为止编写的代码：

import os
import json

data = [{"username": "name1", "email": "mail1", "password": "password1"},
        {"username": "name2", "email": "mail2", "password": "password2"}]

def main():
    a = int(input("What you want to do:\n1.Create\n2.Update\n3.Delete "))
    if a == 1:
        q = input("Enter the filename:") 
        create(q)
    elif a == 2:
        q = input("Enter the filename:")
        update(q)
    elif a == 3:
        q = input("Enter the filename:")
        delete(q)
    else:
        print("Enter the correct choice")

def create(q):
    f = open(q, "w")
    w = input("Enter the text:")
    f.write(w)
    f.close()

def update(q):
    with open(q, 'a') as outfile:
        json.dump(data, outfile, indent=4)

def delete(q):
    os.remove(q)

main()
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