Access Python package index JSON APIs with requests: 
PyPI, the Python package index, provides a JSON API for information about its packages. This is essentially a machine-readable source of the same kind of data you can access while browsing the website. For example, as a human, I can head to the NumPy project page in my browser, click around, and see which versions there are, what files are available, and things like release dates and which Python versions are supported:
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