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Python Convert From Python to JSON

If you have a Python object, you can convert it into a JSON string by using the json.dumps() method.

Convert from Python to JSON:

import json

# a Python object (dict):

x = {

"name": "John",

"age": 30,

"city": "New York"

}

# convert into JSON:

y = json.dumps(x)

# the result is a JSON string:

print(y)

You can convert Python objects of the following types, into JSON strings:

• dict
• list
• tuple
• string
• int
• float
• True
• False
• None

Convert Python objects into JSON strings, and print the values:

import json

print(json.dumps({"name": "John", "age": 30}))

print(json.dumps(["apple", "bananas"]))

print(json.dumps(("apple", "bananas")))

print(json.dumps("hello"))

print(json.dumps(42))

print(json.dumps(31.76))

print(json.dumps(True))

print(json.dumps(False))

print(json.dumps(None))

When you convert from Python to JSON, Python objects are converted into the JSON (JavaScript) equivalent:

Convert a Python object containing all the legal data types:

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}

]

}

print(json.dumps(x))

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