Read e-book online A Byte of Python PDF

By Swaroop C H

‘A Byte of Python’ is a loose publication on programming utilizing the Python language. It serves as an academic or consultant to the Python language for a newbie viewers. If all you recognize approximately pcs is easy methods to retailer textual content documents, then this can be the e-book for you. This e-book is written for the newest Python three, even if Python 2 is the widely came upon model of Python at the present time (read extra approximately it in Python 2 as opposed to three section).

This ebook is a re-package model of unique document(by Swaroop C H).

You can get unique loose model at less than link.

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And Boolean AND x and y returns False if x is False, else it returns evaluation of y or Boolean OR If x is True, it returns x = True; y = True, else it returns eval- False; x or y reuation of y turns True. Short-circuit evaluation applies here as well. x = False; y = True; x and y returns False since x is False. In this case, Python will not evaluate y since it knows that the value of the expression will has to be false (since x is False). This is called short-circuit evaluation. Operator Precedence If you had an expression such as 2 + 3 * 4, is the addition done first or the multiplication?

Remember that the break statement can be used with the for loop as well. G2's Poetic Python The input I have used here is a mini poem I have written called G2's Poetic Python: Programming is fun When the work is done if you wanna make your work also fun: use Python! 29 Control Flow The continue statement The continue statement is used to tell Python to skip the rest of the statements in the current loop block and to continue to the next iteration of the loop. 5. py while True: s = raw_input('Enter something : ') if s == 'quit': break if len(s) < 3: continue print 'Input is of sufficient length' # Do other kinds of processing here...

The dictionaries that you will be using are instances/objects of the dict class. 4. org How It Works We create the dictionary ab using the notation already discussed. We then access key/value pairs by specifying the key using the indexing operator as discussed in the context of lists and tuples. Observe that the syntax is very simple for dictionaries as well. We can add new key/value pairs by simply using the indexing operator to access a key and assign that value, as we have done for Guido in the above case.

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A Byte of Python by Swaroop C H

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