A functional start to computing with Python by Ted Herman

By Ted Herman

A useful begin to Computing with Python permits scholars to quick study computing with no need to exploit loops, variables, and item abstractions first and foremost. Requiring no previous programming event, the e-book attracts on Python’s versatile info forms and operations in addition to its potential for outlining new features. in addition to the specifics of Python, the textual content covers vital innovations of computing, together with software program engineering motivation, algorithms at the back of syntax ideas, complex practical programming principles, and, in brief, finite country machines.

Taking a student-friendly, interactive method of educate computing, the publication addresses tougher strategies and abstractions later within the textual content. the writer provides plentiful motives of information kinds, operators, and expressions. He additionally describes comprehensions―the strong requisites of lists and dictionaries―before introducing loops and variables. This method is helping scholars higher comprehend task syntax and new release via giving them a psychological version of subtle facts first.

Web Resource
The book’s supplementary 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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Computers embedded in cars and appliances may have a word size of eight bits; desktop computers can have a word size of 64 bits. Different vendors offer different assembly languages. h> ter to use a programming language that works int main() { on any kind of computer, regardless of the naint i; tive word size and regardless of the format of for (i=0; i<10; i++) { machine language instructions. One prominent printf("i=%d\n",i); } solution to this problem is the C programming return 0; language. To the left is an example of a C pro} gram.

Some of the most useful packages constructed with Python ➌ still depend on Version 2; nearly all Unix/Linux scripts based on Python use Version 2; many IDEs have not yet caught up with Version 3. Operating systems are flexible enough to allow Version 2 and Version 3 to be installed at the same time, though users may need to call on them by different names. Here are conventions for this and later chapters: To distinguish between Version 2 and Version 3 (we can forget about antiquated versions like Version 1), the names are Python2 and Python3.

The command you want to try is simply “python,” shown for a Linux system in the shaded box. The response by Python ends with the “>>>” line, which is a prompt from the Python interpreter asking the user (you) to type some Python command and press Enter. In response to the command python, the system launches an interactive session of Python, sometimes called the calculator mode of using >>> 2+2 4 Python. 3 (with other technical details we do not care about). The three-line interaction shown to the right is an example of Python calculator mode.

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