There is a well-known movie line: “This! Is! Sparta!!” To begin the new year, here begins a series of posts under the rubric of “This is Python!” (Python isn’t quite as emphatic about things as Spartans, so it’s just one sentence with one exclamation point.)

These posts are meant for those who have never met Python but who have used a programming language before and know the general concepts. These posts provide a tour of the language.

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