json.load读取json文件和json.dump写入json文件_陌上人如玉，公子世无双。

file_name = "myfile.json"

# 读取json文件
if os.path.exists(file_name):
    with open(file_name, 'r') as load_f:
        load_dict = json.load(load_f)
        print(load_dict)

# 写入json文件
d = {"1": "hello", "2": "world"}
with open(file_name, "w") as f:
    json.dump(d, f)file_name = "myfile.json"

# 读取json文件
if os.pat