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[PDF File]15 Functional Python - University of Pennsylvania
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Literal functions • Here is a conventional function definition: def average(x, y): return (x + y) / 2 • Here is the same thing written as a lambda expression and assigned to a variable average = lambda x, y: (x + y) / 2 • There is no "return" • The part after the colon must be a single expression to be evaluated • The value of the expression is the value returned by the function
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[PDF File]2. Built-in Functions
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dir ([object]) Without arguments, return the list of names in the current local scope. With an argument, attempt to return a list of valid attributes for that object. If the object has a method named __dir__(), this method will be called and must return the list of attributes. This …
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[PDF File]Python Classes and Objects
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– details associated with object sub-components are enclosed within the logical boundary of the object – user of object only “sees” the public interface of the object, all the internal details are hidden Note - In Python, encapsulation is merely a programming convention. Other languages (e.g., Java) enforce the concept more rigorously.
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[PDF File]Built-In Functions
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iterable object such as a List or another collection) • It applies function to each element of iterable • If function returns True for that element then the element is put into a List • This list is returned from filter in versions of python under 3 • In python 3, filter returns an iterator which must be cast
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[PDF File]Object-Oriented Python | An Introduction
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Outline 1 Some Examples of PyTorch Syntax 4 2 The Main OO Concepts 10 3 Pre-De ned and Programmer-Supplied Attributes 18 4 Function Objects vs. Callables 23 5 De ning a Class in Python 28 6 How Python Creates an Instance: new() vs. init() 39 7 De ning Methods 46 8 Creating a Class Hierarchy 59 9 Multiple-Inheritance Class Hierarchies 72 10 Making a Class Instance Iterable 81
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[PDF File]Stanford University Jay Whang and Zach Maurer Python Review
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Python is a strongly-typed and dynamically-typed language. Strongly-typed: Interpreter always “respects” the types of each variable.[1] Dynamically-typed: “A variable is simply a value bound to a name.”
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[PDF File]Pass by Object Reference in Python - University of Tulsa
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Pass by object reference In Python, variables are not passed by reference or by value Instead, the name (aka object reference) is passed If the underlying object is mutable, then modi cations to the object will persist If the underlying object is immutable, then changes to the variable do not persist
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[PDF File]1. Functions in Python
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pg. 2 www.pythonclassroomdiary.wordpress.com by Sangeeta M Chuahan PGT CS, KV NO.3 Gwalior 1.2 User-Defined Functions (UDFs): Following are the rules to define a User Define Function in Python. Function begin with the keyword def followed by the function name and parentheses ( ) . Any list of parameter(s) or argument(s) should be placed within these parentheses.
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[PDF File]Python Functions - Stanford University
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Everyday Python Object-Oriented Programming Midterm Graphics Images Programming Basics Strings and Roadmap The Console Life aer CS106AP! Day 1! Python Functions the Console. ... return result function deﬁnition. Anatomy of a Function def function_name(param1, param2): result = # do something return result name.
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[PDF File]Lab 1 Introduction to Python
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The return statement instantly ends the function call and passes the return value to the function caller. The print statement does nothing more than display the value of a given object (or objects) in the terminal. A function without a return statement implicitly returns the Python constant None,which
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Python return object from function