python why use json string code example

Example 1: list to json python

import json
friends_list = [
    'John','Rambo','Sam',
]
json_format = json.dumps(friends_list)
print(json_format)
print(type(json_format))
#PYTHON OUTPUT
["John", "Rambo", "Sam"]
<class 'str'>

Example 2: Json in python

{
	"Icons":{
    	"app icon": "your icon.ico",
        "eg icon": "eg.ico"
	}
}