Introduction to Computer Science and Programming

Python is an interpreted, object-oriented, high-level programming language. It has many features, which you can read about at https://www.python.org/, if you’re interested.  Python is taught as an entry level programming language used in an MIT Open CourseWare class available online. It is called  Introduction to Computer Science and Programming – 6.00SC. MIT offers material from 2340 courses and claims over 200 million site visitors.

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The reason for taking this class has to do with my fascination with programming and interest in computer science. Although I have worked in the field of technology and have been involved with computers for over twenty years, I am not, by any stretch of the imagination a computer scientist. But, just because I am not a computer scientist doesn’t mean I can’t learn to think a little like a computer scientist. This is exactly what Introduction to Computer Science and Programming is designed to do.

You can do this entire course for free. One of the text books for this course is, Think Python: How to Think Like a Computer Scientist by Allen B. Downey, Professor of Computer Science at the Franklin W. Olin College of Engineering. He states in chapter one, “The goal of this book is to teach you to think like a computer scientist.” He further says, “The single most important skill for a computer scientist is problem solving. Problem solving means the ability to formulate problems, think creatively about solutions, and express a solution clearly and accurately. As it turns out, the process of learning to program is an excellent opportunity to practice problem-solving skills.” This page is dedicated to that venture.

Everything included below is free and/or open source.

Introduction to Computer Science

  • MIT 6.00SC – Introduction to Computer Science and Programming. MIT’s Open CourseWare is for use by anyone.
  • CS50 at Harvard – Possibly the most popular course at Harvard with highly entertaining lectures. You can audit the course and use Python IDLE (see below) for the code. You can also take this course on edX. Exceptionally amusing and interesting lectures.
  • Stanford CS101 – The active course run for CS101 has ended, but the course is now available in a self paced mode and it is free. This one uses a scaled down version of JavaScript.
  • CS101 at Saylor Academy – Saylor is a 501(c)(3) nonprofit organization working since 2008 to offer free and open online courses to all who want to learn.
  • Khan Academy Honorable mention to this reasonably extensive course that uses JavaScrip to teach algorithms.

Online Textbooks

Get Python

Browser Python

  • Skulpt – An entirely in-browser, client side implementation of Python. No preprocessing, plugins, or server-side support required, just write Python and reload.
  • Trinket – Designed for teachers, Trinket allows you run and write code in any browser, on any device. Easily share or embed the code with your changes when you’re done. The Python Trinket is embedded below. You can write and run your own code or paste and run code examples.

Examples

  • Turtle Graphics – The Python drawing canvas is called Turtle graphics. It is often used as a way to introduce programming to kids, but adults love it too.
  • A Simple Tutorial for Python Turtle – Hosted on the developer’s code sharing site, GitHub this little tutorial by Al Sweigart has some simple programs to play with.

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