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Matplotlib for Python Developers by Allen Yu, Claire Chung, Aldrin Yim

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Importing and visualizing data from a JSON API

Now, let's learn how to parse financial data from Quandl's API to create insightful visualizations. Quandl is a financial and economic data warehouse, storing millions of datasets from hundreds of publishers. The best thing about Quandl is that these datasets are delivered via the unified API, without worrying about the procedures to parse the data correctly. Anonymous users can get up to 50 API calls per day, or up to 500 free API calls if registered. Readers can sign up for a free API key at https://www.quandl.com/?modal=register.

At Quandl, every dataset is identified by a unique ID, as defined by the Quandl code on each search result web page. For example, the Quandl code GOOG/NASDAQ_SWTX ...

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