python将字典写入文件以及从文件中读取字典数据

以下是Python将字典写入文件以及从文件中读取字典数据的示例：

1. 将字典写入文件：

import json

data = {"name": "John", "age": 30, "city": "New York"}

with open("data.json", "w") as file:
    json.dump(data, file)

2. 从文件中读取字典数据：

import json

with open("data.json", "r") as file:
    data = json.load(file)

print(data)