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Add Json Examples
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‎README.md

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@@ -23,4 +23,5 @@ repository breaks up the code into individual .py files, and the full tutorial f
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16. [Python And Excel](https://vegibit.com/how-to-use-python-with-excel/)
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17. [Matplotlib In Jupyter Notebook](https://vegibit.com/matplotlib-in-jupyter-notebook/)
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18. [Urllib Examples](https://vegibit.com/python-urllib/)
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19. [Python Requests](https://vegibit.com/python-requests-library/)
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19. [Python Requests](https://vegibit.com/python-requests-library/)
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20. [Json In Python](https://vegibit.com/python-json-tutorial/)

‎pythonjson.py

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# json.loads() Parse Example
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import json
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jsonstring = '''{
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"burrito" : "Steak",
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"double-meat" : true,
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"toppings" : [
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"Black Beans",
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"Lettuce",
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"Salsa",
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"Guacamole"
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],
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"price" : 9.17
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}'''
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data = json.loads(jsonstring)
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print('Order: ' + data['burrito'])
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if (data['double-meat']):
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print('With Double Meat')
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for topping in data['toppings']:
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print('Topping: ' + topping)
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# Order: Steak
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# With Double Meat
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# Topping: Black Beans
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# Topping: Lettuce
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# Topping: Salsa
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# Topping: Guacamole
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# json.dumps() Serialize Example
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pythondict = {
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'burrito': 'Steak',
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'double-meat': True,
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'toppings': ['Black Beans',
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'Lettuce',
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'Salsa',
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'Guacamole'
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],
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'price': 9.17
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}
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jsonstring = json.dumps(pythondict, indent=4)
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print('-------- JSON String Data --------')
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print(jsonstring)
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# -------- JSON String Data --------
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# {
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# "burrito": "Steak",
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# "double-meat": true,
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# "toppings": [
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# "Black Beans",
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# "Lettuce",
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# "Salsa",
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# "Guacamole"
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# ],
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# "price": 9.17
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# }
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# Handling JSON errors with JSONDecodeError
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from json import JSONDecodeError
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jsonstring = '''{
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"burrito" : "Steak",
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"double-meat" : true,
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"toppings" : [
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"Black Beans",
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"Lettuce"
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"Salsa",
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"Guacamole"
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],
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"price" : 9.17
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}'''
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try:
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data = json.loads(jsonstring)
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print('Order: ' + data['burrito'])
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if (data['double-meat']):
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print('With Double Meat')
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for topping in data['toppings']:
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print('Topping: ' + topping)
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except JSONDecodeError as error:
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print('Hold on now, there was a JSON Decoding erroror:')
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print(error.msg)
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print(error.lineno, error.colno)
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# Hold on now, there was a JSON Decoding erroror:
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# Expecting ',' delimiter
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# 7 13
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jsonstring = '''{
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"burrito" : "Steak",
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"double-meat" : true,
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"toppings" : [
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"Black Beans",
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"Lettuce",
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"Salsa",
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"Guacamole
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],
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"price" : 9.17
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}'''
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try:
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data = json.loads(jsonstring)
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print('Order: ' + data['burrito'])
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if (data['double-meat']):
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print('With Double Meat')
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for topping in data['toppings']:
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print('Topping: ' + topping)
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except JSONDecodeError as error:
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print('Hold on now, there was a JSON Decoding erroror:')
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print(error.msg)
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print(error.lineno, error.colno)
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# Hold on now, there was a JSON Decoding erroror:
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# Invalid control character at
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# 8 23
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# Working With JSON from an API
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import json, requests
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url = 'http://httpbin.org/json'
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result = requests.get(url)
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pythondict = result.json()
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print(json.dumps(pythondict, indent=4))
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print(list(pythondict.keys()))
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print(pythondict['slideshow']['title'])
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slides = len(pythondict['slideshow']['slides'])
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print(f'There are {slides} slides')
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# {
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# "slideshow": {
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# "author": "Yours Truly",
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# "date": "date of publication",
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# "slides": [
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# {
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# "title": "Wake up to WonderWidgets!",
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# "type": "all"
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# },
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# {
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# "items": [
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# "Why <em>WonderWidgets</em> are great",
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# "Who <em>buys</em> WonderWidgets"
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# ],
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# "title": "Overview",
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# "type": "all"
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# }
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# ],
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# "title": "Sample Slide Show"
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# }
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# }
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# ['slideshow']
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# Sample Slide Show
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# There are 2 slides

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