A functional start to computing with Python by Ted Herman

By Ted Herman

A practical begin to Computing with Python permits scholars to quick research computing with no need to take advantage of loops, variables, and item abstractions at first. Requiring no past programming event, the e-book attracts on Python’s versatile facts kinds and operations in addition to its ability for outlining new services. in addition to the specifics of Python, the textual content covers very important thoughts of computing, together with software program engineering motivation, algorithms in the back of syntax principles, complicated practical programming principles, and, in brief, finite kingdom machines.

Taking a student-friendly, interactive method of train computing, the ebook addresses more challenging techniques and abstractions later within the textual content. the writer provides abundant reasons of knowledge kinds, operators, and expressions. He additionally describes comprehensions―the strong necessities of lists and dictionaries―before introducing loops and variables. This strategy is helping scholars larger comprehend project syntax and new release via giving them a psychological version of refined facts first.

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

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

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If only the whole world switched at once from one version to the next, things would not be so bad. However, it takes time to change existing programs, and it can be dangerous to try this quickly because conversion might introduce bugs. The current situation in the software landscape, with respect to Python, is that 3 is gradually being installed on many systems, but Version 2 continues ➋ E Version to be used as well. 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.

Many Web sites supporting Python testing through a browser have appeared recently and more can be expected. It is worth experimenting with at least a few of these. 375E27 string "gate" tuple (3,4) list [True,1] dictionary Python’s Data Types int, float ... 0028e-12 character, string bool tuple list dictionary ... ... ... True 'T' 'storm' False (5, 6, True, 'so', 9) [ 'Take2', 100, 0 ] { 'ace':12, 'bottom':-3 } 25 ✐ ✐ ✐ ✐ ✐ ✐ “book” — 2013/6/21 — 16:18 ✐ 26 ✐ A Functional Start to Computing with Python Science is the systematic classification of experience.

The reason to prefer an array over a list is efficiency: a Java or C compiler can transform source code using arrays into more efficient (faster-running) programs compared to lists. Python also has array types, but they are not covered in this book. ✐ ✐ ✐ ✐ ✐ ✐ “book” — 2013/6/21 — 16:18 ✐ 36 ✐ A Functional Start to Computing with Python Sets. You can skip reading about Python sets; they are rarely used, but will be of interest to students with some math background. Whereas tuples and lists are ordered containers of items, allowing items to be repeated, sets are unordered containers of distinct items.

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