W3School TIY Editor

import json

​

x = {

  "name": "Bill",

  "age": 63,

  "married": True,

  "divorced": False,

  "children": ("Jennifer","Rory","Phoebe"),

  "pets": None,

  "cars": [

    {"model": "Porsche", "mpg": 38.2},

    {"model": "BMW M5", "mpg": 26.9}

  ]

}

​

# 使用 . 和空格分隔对象，并用空格、= 和空格分隔键与值：

print(json.dumps(x, indent=4, separators=(". ", " = ")))