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Anatomy of a Function def main(): mid = average(10.6, 7.2) print(mid) def average(a, b): sum = a + b return sum / 2 Think/Pair/Share: Find the function definition, function name, parameter(s), and return value in average.
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- About this Book
- Strings
- print x
- Methods
- true
- Modules
- 'Tue Sep 11 21:42:06 2012'
This book is prepared from the training notes of Anand Chitipothu. Anand conducts Python training classes on a semi-regular basis in Bangalore, India. Checkout out the upcoming trainings if you are interested.
Strings what you use to represent text. Strings are a sequence of characters, enclosed in single quotes or double quotes. >> x = "hello" >> y = 'world' >> print x, y hello world There is difference between single quotes and double quotes, they can used interchangebly. Multi-line strings can be written using three single quotes or three double quote...
y = '''multi-line strings can be written using three single quote characters as well.
Methods are special kind of functions that work on an object. For example, upper is a method available on string objects. >> x = "hello" >> print x.upper()
> istrcmp('LaTeX', 'Latex') True > istrcmp('a', 'b') False
Modules are libraries in Python. Python ships with many standard library modules. A module can be imported using the import statement. Lets look at time module for example: >> import time >> time.asctime()
The asctime function from the time module returns the current time of the system as a string. The sys module provides access to the list of arguments passed to the program, among the other things. The sys.argv variable contains the list of arguments passed to the program. As a convention, the first element of that list is the name of the program. L...
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WhatPythonistasSayAboutPython Basics: A Practical In- troductiontoPython3 “I love [the book]! The wording is casual, easy to understand, and makestheinformation @owwell. Ineverfeellostinthematerial,
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Defining Functions in Python. Overview: This activity focuses on an important idea in programming: user-defined functions. This concept appears in practically every programming language, and in Python, there are some particular options available (default arguments, for example) that make it easy to define functions in flexible ways.
show you how to work with text strings, variables, tuples, lists, dictionaries, functions, loops, conditions, files, exceptions, recursion, object-oriented programming, recursion, decorators, and more.
Python is an excellent language with which to learn programming. There are many reasons for this, but the simple explanation is that it’s easy to read and fast to write; it doesn’t take long to come up with working code that does something meaningful. Python has a very human-friendly syntax, which makes writing elegant code easy.
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The Python interpreter is easily extended with new functions and data types implemented in C or C++ (or other languages callable from C). Python is also suitable as an extension language for customizable applications. This tutorial introduces the reader informally to the basic concepts and features of the Python language and system.
