Convert Python Dict to JSON

In the below code, we are converting a Python dictionary to a JSON object using json.dumps() method of JSON module in Python. We first import the JSON module and then make a small dictionary with some key-value pairs and then passed it into json.dumps() method with ‘indent=4’ to convert this Python dictionary into a JSON object. As we have given the value of indent to 4 there are four whitespaces before each data as seen in the output.

The following types of Python objects can be converted into JSON strings: 

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

Python objects and their equivalent conversion to JSON:

JSON is a lightweight data format for data interchange that can be easily read and written by humans, and easily parsed and generated by machines. It is a complete language-independent text format. To work with JSON data, Python has a built-in package called JSON.

Example of JSON String

s = '{"id":01, "name": "Emily", "language": ["C++", "Python"]}'

The syntax of JSON is considered a subset of the syntax of JavaScript including the following:

• Name/Value pairs: Represents Data, the name is followed by a colon(:), and the Name/Value pairs are separated by a comma(,).
• Curly braces: Holds objects.
• Square brackets: Hold arrays with values separated by a comma (,).

Keys/Name must be strings with double quotes and values must be data types amongst the following: 

• String
• Number
• Object (JSON object)
• array
• Boolean
• Null

Example of JSON file:

 {
   "employee": [
      {
         "id": "01",
         "name": "Amit",
         "department": "Sales"
      },
      {
         "id": "04",
         "name": "sunil",
         "department": "HR"
      }
   ]
}