Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

You have already written a “Hello, World!” program. As you can see, this isn’t very flexible—you provided the exact text you wanted to print. However, more often than not, we don’t know the values we ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

One of the most useful new features that Microsoft has incorporated into Excel in recent years is the ability to incorporate Python code directly into a spreadsheet. While it has long been possible to ...

Operators are simple symbols or keywords(reserved by python) that perform some task between two given values. These values can be string, integer, float, or any data ...

Abstract: The purpose of this research-to-practice work-in-progress paper is to identify students' early misconceptions in the use of variables and assignment operators in a first-year computer ...

The Python programming language, despite its ease of use, offers a depth of useful functions, modules and data structures. One of these data structures, the "dictionary" data structure, functions as a ...