By Ted Herman

A practical begin to Computing with Python allows scholars to fast study computing with no need to take advantage of loops, variables, and item abstractions in the beginning. Requiring no past programming adventure, the publication attracts on Python’s versatile info forms and operations in addition to its potential for outlining new capabilities. besides the specifics of Python, the textual content covers very important options of computing, together with software program engineering motivation, algorithms at the back of syntax principles, complicated useful programming rules, and, in short, finite kingdom machines.

Taking a student-friendly, interactive method of educate computing, the e-book addresses more challenging options and abstractions later within the textual content. the writer offers plentiful causes of knowledge forms, operators, and expressions. He additionally describes comprehensions―the robust requisites of lists and dictionaries―before introducing loops and variables. This process is helping scholars higher comprehend project syntax and new release by means of giving them a psychological version of refined facts first.

Web Resource
The book’s supplementary web site at http://functionalfirstpython.com/ presents many ancillaries, including:

  • Interactive flashcards on Python language elements
  • Links to additional help for every chapter
  • Unit checking out and programming exercises
  • An interactive Python stepper tool
  • Chapter-by-chapter issues
  • Material for lectures

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A practical begin to Computing with Python allows scholars to fast examine computing with no need to take advantage of loops, variables, and item abstractions firstly. Requiring no past programming event, the publication attracts on Python’s versatile information varieties and operations in addition to its means for outlining new capabilities.

Additional resources for A functional start to computing with Python

Example text

For debugging, when a Python program stops due to a bug, some IDEs automatically highlight the suspected bug in the editor of the program text. With all the good things to say about IDEs, there are limitations. For one, many of the intended ways of using Python are not graphical (using windows for output) and IDEs may not be able to run programs for certain environments. If a Python program controls a robot, the commands to turn wheels, lift an object, or inspect a camera image, then that may not work on a desktop IDE.

Further, we have to think of data storage, which often is not electrical. For memory, other physical properties like magnetizing (positive or negative) or crystallizing (oriented or not oriented) have natural binary measures. So, for various reasons of technology, manufacturing cost, and convenience, the binary system of data representation and manipulation is now ubiquitous. The rules of binary arithmetic are simple, but tedious. We prefer to leave the details of binary to computer engineers, instead focusing on units of data closer to our application purposes: MP3, Web pages, text messages, and the like.

The dictionary type is a simplified form of a database: it associates some data with a lookup value, called a key. A dictionary is a list of keys and their associated values. The colon (:) separates the key from its value. 5, 20:-2, 30:True} {True:'T'} {} {'a':0, 'b':0, 'c':0, 'd':1} three keys one key empty dictionary four keys Later, in Chapter 15, we see how keys and values in a dictionary can change as a program runs. In Part II of this book, dictionaries do not change: they are only created and used for calculations.

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