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json.load() in Python

  • Difficulty Level : Easy
  • Last Updated : 23 Mar, 2020

The full-form of JSON is JavaScript Object Notation. It means that a script (executable) file which is made of text in a programming language, is used to store and transfer the data. Python supports JSON through a built-in package called json. To use this feature, we import the json package in Python script. The text in JSON is done through quoted-string which contains the value in key-value mapping within { }. It is similar to the dictionary in Python.

Note: For more information, refer to Working With JSON Data in Python

json.load()

json.load() takes a file object and returns the json object. A JSON object contains data in the form of key/value pair. The keys are strings and the values are the JSON types. Keys and values are separated by a colon. Each entry (key/value pair) is separated by a comma.

Syntax :

json.load(file_object)

Argument : It takes file object as a parameter.

Return : It return json object.

Example: Let’s suppose the JSON looks like this.

pyhton-append-json1

We want to read the content of this file. Below is the implementation.




# Python program to read
# json file
   
   
import json
   
# Opening JSON file
f = open('data.json',)
   
# returns JSON object as 
# a dictionary
data = json.load(f)
   
# Iterating through the json
# list
for i in data['emp_details']:
    print(i)
   
# Closing file
f.close()


Output:

python-read-json-output1

Here, we have used the open() function to read the JSON file. Then, the file is parsed using json.load() method which gives us a dictionary named data.

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