'''
Parsing functions :
obj = load(file)        # file
obj = loads(string)     # string suppost

Serialization functions :
dump(obj, file)
str = dumps(obj)

Conversion convention
                --Serialization-->      --Parsing-->
Python object           | JSON Repr         | Python object
------------------------------------------------------------
dict                    | object            | dict
list, tuple             | array             | list
str                     | string            | str
int, long, float, Enums | number            | int, float- depends
True                    | true              | True
False                   | false             | False
None                    | null              | None 
'''
# Process JSON data returned from a server

# TODO : use the JSON module
import json

def main() :
    # define a string of JSON code
    jsonStr = '''{
            "sandwich" : "Reuben",
            "toasted" : true,
            "toppings" : [
                "Thousand Island Dressing",
                "Sauerkraut",
                "Pickles"
            ],
            "price" : 8.99
        }'''
        
    # TODO : parse the jason data using loads
    data = json.loads(jsonStr)
    
    
    # TODO : print information from the data structure 
    print('Sandwich :' + data['sandwich'])
    if (data['toasted']):
        print('and it is toasted !')
    for topping in data['toppings']:
        print('Topping : ' + topping)
    
        
if __name__ == '__main__':
    main()