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In the dict, the ordering may or may not be happen. DescriptionEdit. Python collections module was first introduced in its 2.4 release. This tutorial is based on its latest stable release (3.7 version). 8 kyu. Python Database Connection - Programmers can expect Python to make database programming more painless and straightforward work, supplying the Python database API with a database-neutral programming interface for various databases. Data Analysis - Data analysis is the technique of analyzing and inspecting as well as cleansing and transforming of data to retrieve useful information or suggest a solution and this process helps in making decisions for business or other processes. Python itertools module is a collection of tools for handling iterators.. Delete. Once you cycle through the items in the collection you will revert back to your normal training routine. Python Quickstart. Delete This Collection. Python Tutorials Python Data Science. 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