import json

​

x = {

  "name": "John",

  "age": 30,

  "married": True,

  "divorced": False,

  "children": ("Ann","Billy"),

  "pets": None,

  "cars": [

    {"model": "BMW 230", "mpg": 27.5},

    {"model": "Ford Edge", "mpg": 24.1}

  ]

}

​

# convert into JSON:

y = json.dumps(x)

​

# the result is a JSON string:

print(y)

​