Check if key exists and iterate the JSON array using Python

Question

I have a bunch of JSON data from Facebook posts like the one below:

{\"from\": {\"id\": \"8\", \"name\": \"Mary Pinter\"}, \"message\": \"How ARE you?\", \"c         


        

Answer 1

If all you want is to check if key exists or not

h = {'a': 1}
'b' in h # returns False

If you want to check if there is a value for key

h.get('b') # returns None

Return a default value if actual value is missing

h.get('b', 'Default value')