A Byte of Python by Swaroop C H

By Swaroop C H

‘A Byte of Python’ is a loose ebook on programming utilizing the Python language. It serves as an academic or advisor to the Python language for a newbie viewers. If all you recognize approximately pcs is the right way to shop textual content records, then this can be the ebook for you. This ebook is written for the most recent Python three, although Python 2 is the widely came across model of Python at the present time (read extra approximately it in Python 2 as opposed to three section).

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

You can get unique loose model at less than link.

This e-book is approved below the artistic Commons Attribution-Share Alike 3.0 Unported license.

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You are unfastened to Remix i.e. to evolve this book
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Please don't promote digital or revealed copies of the ebook except you have got in actual fact and prominently pointed out within the description that those copies are usually not from the unique writer of this book.

Attribution has to be proven within the introductory description and entrance web page of the record through linking again to http://swaroopch.com/notes/Python and obviously indicating that the unique textual content might be fetched from this location.
All the code/scripts supplied during this booklet is authorized less than the 3-clause BSD License until in a different way famous.

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Example text

Py Enter something : a Enter something : 12 Enter something : abc Input is of sufficient length Enter something : quit How It Works In this program, we accept input from the user, but we process them only if they are at least 3 characters long. So, we use the built-in len function to get the length and if the length is less than 3, we skip the rest of the statements in the block by using the continue statement. Otherwise, the rest of the statements in the loop are executed and we can do any kind of processing we want to do here.

In the second usage func(25, c=24), the variable a gets the value of 25 due to the position of the argument. e. keyword arguments. The variable b gets the default value of 5. In the third usage func(c=50, a=100), we use keyword arguments completely to specify the values. Notice, that we are specifying value for parameter c before that for a even though a is defined before c in the function definition. e. break out of the function. We can optionally return a value from the function as well. 7. py 3 How It Works The maximum function returns the maximum of the parameters, in this case the numbers supplied to the function.

Also, notice how Python 'pretty-prints' the output. Even though we have not specified a space between 'Area is' and the variable area, Python puts it for us so that we get a clean nice output and the program is much more readable this way (since we don't need to worry about spacing in the output). This is an example of how Python makes life easy for the programmer. Summary We have seen how to use operators, operands and expressions - these are the basic building blocks of any program. Next, we will see how to make use of these in our programs using statements.

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