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Beginning Python: Using Python 2.6 and Python 3.1 (Wrox by James Payne

By James Payne

Beginning Python: utilizing Python 2.6 and Python 3.1 introduces this open resource, moveable, interpreted, object-oriented programming language that mixes impressive strength with transparent syntax. This ebook lets you speedy create strong, trustworthy, and reusable Python functions via educating the fundamentals so that you can fast increase net and clinical purposes, comprise databases, and grasp platforms initiatives on a number of working platforms, together with Linux, MAC OS, and home windows. You’ll get a complete educational that courses you from writing basic, uncomplicated Python scripts all through advanced suggestions, and in addition includes a reference of the normal modules with examples illustrating find out how to enforce positive aspects within the a variety of modules. Plus, the e-book covers utilizing Python in particular application improvement domain names, similar to XML, databases, clinical functions, community programming, and internet development.

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Extra resources for Beginning Python: Using Python 2.6 and Python 3.1 (Wrox Programmer to Programmer)

Example text

In this case, you’ve asked it only to read the text you wrote, but doing this doesn’t constitute a change to the environment. However, you can see that Python indicated that it saw what you entered. It showed you the text you entered, and it displayed it in the manner it will always display a string — in quotes. As you learn about other data types, you’ll find that Python has a way of displaying each one differently. What is a String? A string is one of several data types that exist within the Python language.

The print() function allows you to print text to the user’s screen. It follows the syntax: print(“Here is some text”). Exercises 1. ” Feel free to experiment with the number of \n and \t escape sequences to see how this affects what gets displayed on your screen. You can even try changing their placement. What do you think you are likely to see? 2. 14 In the Python shell, use the same string indicated in Exercise 1, but this time, display it using the print() function. Once more, try differing the number of \n and \t escape sequences.

For starters, type in some text: >>>”Hello World. ” Note that typing the previous sentence into the shell didn’t actually do anything; nothing was changed in the Python environment. Instead, the sentence was evaluated by Python, to determine what, if anything, you wanted Python to do. In this case, you merely wanted it to read the text. Although Python didn’t technically do anything with your words, it did give some indication that it read them. Python indicated this by displaying the text you entered (known as a string) in quotes.

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