Beginning Programming with Python For Dummies

Beginning Programming with Python For Dummies

Language: English

Pages: 408

ISBN: 1118891457

Format: PDF / Kindle (mobi) / ePub


Learn Python—the fun and easy way—and get in the programming game today!

Python is one of the fastest growing programming languages, and no wonder. It requires three to five times less time than developing in Java, is a great building block for learning both procedural and object-oriented programming concepts, and is an ideal language for data analysis. Beginning Programming with Python For Dummies is the perfect guide to this dynamic and powerful programming language—even if you've never coded before! Author John Paul Mueller draws on his vast programming knowledge and experience to guide you step-by-step through the syntax and logic of programming with Python and provides several real-world programming examples to give you hands-on experience trying out what you've learned.

  • Provides a solid understanding of basic computer programming concepts and helps familiarize you with syntax and logic
  • Explains the fundamentals of procedural and object-oriented programming
  • Shows how Python is being used for data analysis and other applications
  • Includes short, practical programming samples to apply your skills to real-world programming scenarios

Whether you've never written a line of code or are just trying to pick up Python, there's nothing to fear with the fun and friendly Beginning Programming with Python For Dummies leading the way.

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Multiplication does. Table 6-9 defines the order of operator precedence for Python. Table 6-9 Python Operator Precedence Operator Description () You use parentheses to group expressions and to override the default precedence so that you can force an operation of lower precedence (such as addition) to take pre­ cedence over an operation of higher prece­ dence (such as multiplication). ** Exponentiation raises the value of the left operand to the power of the right operand. ~ + - Unary.

Caller............................................ 175 Creating and Using Custom Exceptions..................................................... 176 Using the finally Clause................................................................................ 178 Part III: Performing Common Tasks............................. 181 Chapter 10: Interacting with Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . 183 Creating Code.

String.”) and press Enter. You should see the number of arguments and the test string as output — nothing too exiting there. However, now type Hello4(3, “One”, “Two”, “Three”) and press Enter. As shown in Figure 6-8, the function handles the variable number of arguments without any problem at all. Figure 6-8: Variable argument func­ tions can make your applica­ tions more flexible. Returning information from functions Functions can display data directly or they can return the data to the.

Application, it must interpret the code and put it into a form that the computer can understand. A computer relies on machine code that is specific to that processor and architecture. If the instructions you write are malformed or lack needed information, Python can’t perform the required conversion. It presents an error that you must fix before the application can run. Fortunately, compile-time errors are the easiest to spot and fix. Because the application won’t run with a compile-time error in.

This example also appears with the downloadable source code as MultipleException2.py. 1. Open a Python File window. You see an editor in which you can type the example code. 2. Type the following code into the window — pressing Enter after each line: try: Value = int(input("Type a number between 1 and 10: ")) except ValueError: print("You must type a number between 1 and 10!") except KeyboardInterrupt: print("You pressed Ctrl+C!") else: if (Value > 0) and (Value <= 10): print("You.

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