JSON stands for Javascript Standard Object Notation. Python module called json is a JSON encoder/decoder. The dumps() function in this module returns a JSON string representation of Python dictionary object.
D1={"pen":25, "pencil":10, "book":100, "sharpner":5, "eraser":5} >>> import json >>> j=json.dumps(D1) >>> j '{"pen": 25, "pencil": 10, "book": 100, "sharpner": 5, "eraser": 5}'