Python Convert From Python to JSON Python Glossary
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.
Example
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]Try it Yourself »
You can convert Python objects of the following types, into JSON strings:
- dict
- list
- tuple
- string
- int
- float
- True
- False
- None
Example
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]]Try it Yourself »
When you convert from Python to JSON, Python objects are converted into the JSON [JavaScript] equivalent: Python JSON dict Object list Array tuple Array str String int Number float Number True true False false None null
Example
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]]
Try it Yourself »
Related Pages
Python JSON Tutorial JSON Parse JSON Format JSON Sort JSON
Python Glossary