Download Think Python: How to Think Like a Computer Scientist (2nd by Allen B. Downey PDF

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By Allen B. Downey

So as to software, operating with Python is a superb technique to begin. This hands-on consultant takes you thru the language a step at a time, starting with uncomplicated programming suggestions ahead of relocating directly to features, recursion, facts buildings, and object-oriented layout. This moment variation and its aiding code were up to date for Python 3.

Through routines in every one bankruptcy, you'll try programming recommendations as you study them. imagine Python is perfect for college kids on the highschool or university point, in addition to self-learners, home-schooled scholars, and pros who have to examine programming fundamentals. novices simply getting their ft rainy will the right way to begin with Python in a browser.Start with the fundamentals, together with language syntax and semanticsGet a transparent definition of every programming conceptLearn approximately values, variables, statements, features, and knowledge constructions in a logical progressionDiscover the best way to paintings with documents and databasesUnderstand items, equipment, and object-oriented programmingUse debugging options to mend syntax, runtime, and semantic errorsExplore interface layout, information buildings, and GUI-based courses via case reports

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Additional resources for Think Python: How to Think Like a Computer Scientist (2nd Edition)

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Python does not support constants. George Boole (1815–1864) was an English mathematician, philosopher, and logician. He is best known as the architect of what is now called Boolean logic (Boolean algebra), the basis of the modern digital computer. 4 51 Rules for Naming Variables in Python Certain rules must be followed when assigning names to your variables.  The name of a variable can contain only Latin characters (English uppercase or lowercase characters), numbers, and the underscore character ( _ ).

9 Review Questions: Multiple Choice Select the correct answer for each of the following statements. 1. A variable is a place in a. a hard disk. b. a DVD disc. c. a USB flash drive. d. all of the above e. 2. none of the above A variable can hold a. one value at a time. b. many values at a time. c. all of the above d. none of the above 3. In general, using constants in a program a. helps programmers to completely avoid typographical errors. b. helps programmers to avoid using division and multiplication.

C. 2. both of the above Which of the following is not a property that an algorithm should satisfy? a. effectiveness b. fittingness c. definiteness d. input 3. A computer program is a. an algorithm. b. a sequence of instructions. c. both of the above d. none of the above 4. When someone prepares a meal, he or she is the a. ” b. ” c. 5. none of the above Which of the following does not belong in the three main stages involved in creating an algorithm? a. data production b. data input c. data output d.

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