Learning to Program with Python
Here we will use the python programming language to make a game of hangman, starting from scratch, working on a Macintosh. Python comes with OS X, so nothing special needs to be installed to follow along on your Mac. To use python on Windows, you can download and install python here. If you do not want to install python or you want to learn a newer and popular python-like language that runs in any modern browser, you can read Learning to Program with CoffeeScript, at davidbau.com/coffeescript. It takes a couple hours to learn enough programming to make a simple game. We will learn about: Memory and naming Computer arithmetic Using and learning libraries How to make a program Input and output Loops and choices Connecting to the internet At the end we will have a game we can play. This page was originally posted at for teaching a small group of third-graders. Running Python Go to the "Utilities" folder on your Mac and run "Terminal." Keeping a Secret Don't worry. #! #!
BeginnersGuide/Programmers
This is a Wiki page. Users with edit rights can edit it. You are, therefore, free to (in fact, encouraged to) add details of material that other Python users will find useful. It is not an advertising page and is here to serve the whole Python community. A beginner-friendly Python tutorial that starts with the absolute basics but also covers more advanced stuff like Python software deployment.
A Byte of Python
1st Ed - Python for Software Design: How to Think Like a Computer Scientist
by Allen B. Downey Buy this book at Amazon.com Order a review copy of this book from Cambridge University Press. A newer edition of this book is available with the title Think Python. Description is a concise introduction to software design using the Python programming language. The focus is on the programming process, with special emphasis on debugging. Concise and easy-to-read style written for both high school and college students; Special emphasis on debugging and the programming process, with examples of program development plans; Range of exercises, from short examples to substantial projects, with solutions and example code available on the web. Contents 1. Earlier Versions This book is a substantially revised version of How to Think Like a Computer Scientist: Learning with Python. Other Free Books by Allen Downey are available from Green Tea Press.
The Django Book
Dive Into Python 3
1: Variables | Computer Science Circles
Variables act as "storage locations" for data in a program. They are a way of naming information for later usage. Each variable has a name; an example variable name we will use is myLuckyNumber. «the variable name» = «the value you want to store» (We use «double angle brackets» in our lessons, like above, to indicate special parts of expressions.) For example, the Python line myLuckyNumber = 13 stores the value 13 in the variable myLuckyNumber. Below, there is a short example of using variables. Look at the 5 lines of the program in order, and how they correspond to the output. We also introduced the plus operator (+) above, which adds two numbers together. You can simulate the memory storage of a computer with paper and pencil, by keeping track of the values in a table. Goal: determine the final values of all variables at the end of the program. first = 2 second = 3 third = first * second second = third - first first = first + second + third third = second * first Two Common Errors Exercise
2nd Ed - How to Think Like a Computer Scientist
Learning with Python by Allen Downey, Jeff Elkner and Chris Meyers. This book is now available for sale at Lulu.com. Hardcopies are no longer available from Green Tea Press. How to Think... is an introduction to programming using Python, one of the best languages for beginners. How to Think... is a Free Book available under the GNU Free Documentation License. Please send suggestions, corrections and comments about the book to feedback{at}thinkpython{dot}com. Download The book is available in a variety of electronic formats: Precompiled copies of the book are available in PDF and Postscript . Translations Here are some translations of the book into other (natural) languages: Other Free Books by Allen Downey are available from Green Tea Press. If you are using this book and would like to make a contribution to support my work, please consider making a donation toward my web hosting bill by clicking on the icon below.
Python beginner's mistakes
Every Python programmer had to learn the language at one time, and started out as a beginner. Beginners make mistakes. This article highlights a few common mistakes, including some I made myself. Beginner's mistakes are not Python's fault, nor the beginner's. They're merely a result of misunderstanding the language. To put it another way, the mistakes in this article are often cases of "the wrong tool for the job", rather than coding errors or sneaky language traps. Mistake 1: trying to do low-level operations Python is sometimes described as a VHLL, a Very High-Level Language. This doesn't mean that it isn't possible to do these things with Python; but it's probably just not the right language for these jobs. Mistake 2: writing "language X" code in Python This is a mistake that is almost unavoidable. Some notorious symptoms of "language X" code, and the languages that may cause them: The point here is not to slam the language that you're used to (although that is always fun ;-).
Dive Into Python
Flowchart Diagrams : Detailed Tutorial
Farshadoo > Information Center > Tutorials Flow charts are one of most famous diagrams used to show programs and processes. Sometimes flowcharts are partitioned into 4 groups : Document flowcharts : showing controls over a document-flow through a system Data flowcharts : showing controls over a data flows in a system System flowcharts : showing controls at a physical or resource level Program flowchart : showing the controls in a program within a system It's not the only classification. different people have classified flowcharts differently. Computer program flowcharts are used to show control flow in a computer program. A picture is worth more than thousand of words. so lets look at first flowchart sample. Start : represents the start of program. usually drawn as an ellipse but sometimes rounded squares are also used. Arrows : represent flow of control in a program. usually means going from one command to another commands. A flowchart which calculates N!
