Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991, Python’s design philosophy emphasizes code readability with its notable use of significant whitespace. Its language constructs and object-oriented approach aim to help programmers write clear, logical code for small and large-scale projects

Before starting the Json example make sure Json is installed in Python. if it not existed you can install it using below code

After installing the Json ModuleĀ  we can use the json in our python script

we need to import json into code by using below code

if json object is :

below is the code of for loading json object from string

now I want to check the firstName exists in my json object or not. below code is used for checking key in json object

for complete example is below .

After CompilingĀ  the code below is the output

python example for json key validation

how to check key exists in json object in python

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