Python JSON Snippets

Author: Corey Schafer

Python-JSON/api.py

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+import json
+from urllib.request import urlopen
+
+with urlopen("https://finance.yahoo.com/webservice/v1/symbols/allcurrencies/quote?format=json") as response:
+    source = response.read()
+
+data = json.loads(source)
+
+# print(json.dumps(data, indent=2))
+
+usd_rates = dict()
+
+for item in data['list']['resources']:
+    name = item['resource']['fields']['name']
+    price = item['resource']['fields']['price']
+    usd_rates[name] = price
+
+print(50 * float(usd_rates['USD/INR']))

Python-JSON/json_demo.py

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+''' JavaScript Object Notation '''
+import json
+
+with open('states.json') as f:
+  data = json.load(f)
+
+for state in data['states']:
+  del state['area_codes']
+
+with open('new_states.json', 'w') as f:
+  json.dump(data, f, indent=2)

Python-JSON/new_states.json

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+{
+  "states": [
+    {
+      "name": "Alabama",
+      "abbreviation": "AL"
+    },
+    {
+      "name": "Alaska",
+      "abbreviation": "AK"
+    },
+    {
+      "name": "Arizona",
+      "abbreviation": "AZ"
+    },
+    {
+      "name": "Arkansas",
+      "abbreviation": "AR"
+    },
+    {
+      "name": "California",
+      "abbreviation": "CA"
+    },
+    {
+      "name": "Colorado",
+      "abbreviation": "CO"
+    },
+    {
+      "name": "Connecticut",
+      "abbreviation": "CT"
+    },
+    {
+      "name": "Delaware",
+      "abbreviation": "DE"
+    },
+    {
+      "name": "Florida",
+      "abbreviation": "FL"
+    },
+    {
+      "name": "Georgia",
+      "abbreviation": "GA"
+    },
+    {
+      "name": "Hawaii",
+      "abbreviation": "HI"
+    },
+    {
+      "name": "Idaho",
+      "abbreviation": "ID"
+    },
+    {
+      "name": "Illinois",
+      "abbreviation": "IL"
+    },
+    {
+      "name": "Indiana",
+      "abbreviation": "IN"
+    },
+    {
+      "name": "Iowa",
+      "abbreviation": "IA"
+    },
+    {
+      "name": "Kansas",
+      "abbreviation": "KS"
+    },
+    {
+      "name": "Kentucky",
+      "abbreviation": "KY"
+    },
+    {
+      "name": "Louisiana",
+      "abbreviation": "LA"
+    },
+    {
+      "name": "Maine",
+      "abbreviation": "ME"
+    },
+    {
+      "name": "Maryland",
+      "abbreviation": "MD"
+    },
+    {
+      "name": "Massachusetts",
+      "abbreviation": "MA"
+    },
+    {
+      "name": "Michigan",
+      "abbreviation": "MI"
+    },
+    {
+      "name": "Minnesota",
+      "abbreviation": "MN"
+    },
+    {
+      "name": "Mississippi",
+      "abbreviation": "MS"
+    },
+    {
+      "name": "Missouri",
+      "abbreviation": "MO"
+    },
+    {
+      "name": "Montana",
+      "abbreviation": "MT"
+    },
+    {
+      "name": "Nebraska",
+      "abbreviation": "NE"
+    },
+    {
+      "name": "Nevada",
+      "abbreviation": "NV"
+    },
+    {
+      "name": "New Hampshire",
+      "abbreviation": "NH"
+    },
+    {
+      "name": "New Jersey",
+      "abbreviation": "NJ"
+    },
+    {
+      "name": "New Mexico",
+      "abbreviation": "NM"
+    },
+    {
+      "name": "New York",
+      "abbreviation": "NY"
+    },
+    {
+      "name": "North Carolina",
+      "abbreviation": "NC"
+    },
+    {
+      "name": "North Dakota",
+      "abbreviation": "ND"
+    },
+    {
+      "name": "Ohio",
+      "abbreviation": "OH"
+    },
+    {
+      "name": "Oklahoma",
+      "abbreviation": "OK"
+    },
+    {
+      "name": "Oregon",
+      "abbreviation": "OR"
+    },
+    {
+      "name": "Pennsylvania",
+      "abbreviation": "PA"
+    },
+    {
+      "name": "Rhode Island",
+      "abbreviation": "RI"
+    },
+    {
+      "name": "South Carolina",
+      "abbreviation": "SC"
+    },
+    {
+      "name": "South Dakota",
+      "abbreviation": "SD"
+    },
+    {
+      "name": "Tennessee",
+      "abbreviation": "TN"
+    },
+    {
+      "name": "Texas",
+      "abbreviation": "TX"
+    },
+    {
+      "name": "Utah",
+      "abbreviation": "UT"
+    },
+    {
+      "name": "Vermont",
+      "abbreviation": "VT"
+    },
+    {
+      "name": "Virginia",
+      "abbreviation": "VA"
+    },
+    {
+      "name": "Washington",
+      "abbreviation": "WA"
+    },
+    {
+      "name": "West Virginia",
+      "abbreviation": "WV"
+    },
+    {
+      "name": "Wisconsin",
+      "abbreviation": "WI"
+    },
+    {
+      "name": "Wyoming",
+      "abbreviation": "WY"
+    }
+  ]
+}