Search for tag: "constructor"

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09:34 Lesson 28.4 Generator Visualization Lesson 28.4 Generator Visualization	Lesson 28.4 Generator Visualization Generators look like normal functions, but they do not behave like them. In this video we show how to visualize them, using the Python Tutor. call frame return generator function statement yield loop constructor counter instruction python error parameter notice folder thing class range tutor From Hannah Lee 56 plays
07:38 Lesson 28.2 Iterable Classes Lesson 28.2 Iterable Classes	Lesson 28.2 Iterable Classes In this video, we show how to make our own iterable and iterator classes. These are actually tightly linked, and you need one to create the other. iterator function iterable range loop object method times attribute class constructor underscore element iter limit attributes shot classes python demand From Hannah Lee 70 plays
52:48 Zoom Nov. 12. Dynamic Typing Zoom Nov. 12. Dynamic Typing	Zoom Nov. 12. Dynamic Typing Our last presentation on classes reviews the issue of typing, and why this has become much trickier with the introduction of subclasses. This is the last material covered in the second exam.The… angle class error exam thing instance method assignment things minutes degrees lot constructor object lab question exception subclass seconds videos From Hannah Lee 26 plays
11:36 Lesson 23.7 Class Methods Lesson 23.7 Class Methods	Lesson 23.7 Class Methods Operator overloading is not the only important abstraction tool. In this video we introduce the concept of class methods, which are necessary to add new constructors to a class. These new… matrix class method constructor math rotation point thing methods matrices object triangle subclass parameter word table initializer python reference things From Hannah Lee 78 plays
05:39 Lesson 23.2 Operator Overloading Lesson 23.2 Operator Overloading	Lesson 23.2 Operator Overloading In this video we introduce the primary tool for abstraction in Python. Operator overloading allows us to define additional meanings for any built-in symbol such as + or *. Because Python uses the… underscore helper fraction times methods string thing operators bottom mall method function symbol call q. constructor types things python lot From Hannah Lee 74 plays
09:13 Lesson 22.6 Method Overriding Lesson 22.6 Method Overriding	Lesson 22.6 Method Overriding Subclasses inherit all of the methods of their parent. But suppose you do not want to use the inherited version of a method, but want to define a new one instead? In this video we talk about the… employee string executive method initializer class salary function helper attributes str object question bonus underscore subclasses whoa thing folder constructor From Hannah Lee 66 plays
53:20 Zoom Oct. 29. Classes Zoom Oct. 29. Classes	Zoom Oct. 29. Classes In this presentation, we review the class definition. We look at both the syntax (what must be present for the definition to work) and the semantics (how it is processed in Python).Most of this class… class call folder assignment thing step constructor method tutor things function initializer lot definition module parameters question alright classes majority From Hannah Lee 25 plays
09:34 Lesson 20.9 Optional Arguments Lesson 20.9 Optional Arguments	Lesson 20.9 Optional Arguments Unlike other programming languages, a Python class has only one constructor, If we want to give the user more flexibility when creating objects, we should make certain arguments optional. In this… arguments default call parameters initializer constructor assignment folder class point python statement parameter values thing method functions y. tutor module From Hannah Lee 79 plays
04:53 Lesson 20.8 The None Value Lesson 20.8 The None Value	Lesson 20.8 The None Value We have seen the None value used in several previous videos. But in this video we finally introduce it formally. In particular, we show why it is so commonly used in object initialization. attributes boss object worker attribute variable constructor class walker deal box fact initializer folder error objects variables purpose module attention From Hannah Lee 77 plays
09:31 Lesson 20.7 Intializers Lesson 20.7 Intializers	Lesson 20.7 Intializers In this video, we introduce the most important method definition in any class: the initializer. The initializer is responsible for creating all the attributes so that the user does not need to worry… call frame constructor worker folder class initializer arguments method object python boss return tutor attribute knit definition parameters parameter function From Hannah Lee 102 plays
08:24 Lesson 20.3 Classes and Attributes Lesson 20.3 Classes and Attributes	Lesson 20.3 Classes and Attributes The primary role of an object is to store attribute variables. In this video we demonstrate the easiest way to add attributes to an object. We see that we can also add attributes to class folders as… folder object class attribute attributes python dot tutor assignment fall inside statement variable error definition a. constructor folders practice statements From Hannah Lee 99 plays
06:47 Lesson 20.2 Class Visualization Lesson 20.2 Class Visualization	Lesson 20.2 Class Visualization Now that you know how to define a class, you need to understand how Python processes the definition. In this video, we see that Python handles it in much the same way, that it does function… class folder object function cs intro objects definition variable constructor folders heap python stub methods attributes things module arguments q. From Hannah Lee 101 plays
10:31 Lesson 17.9 Recursion and Objects Lesson 17.9 Recursion and Objects	Lesson 17.9 Recursion and Objects Divide-and-conquer is not just limited to sequence types. In this video we show that it works on some objects as well. Specifically, we use it to process a family tree. mother side father john person tree smith parents ancestors class call tab function grandparents records constructor tutor python module lines From Hannah Lee 88 plays
06:53 Lesson 12.1 Objects Everywhere Lesson 12.1 Objects Everywhere	Lesson 12.1 Objects Everywhere The biggest lie that we have told is that there is a difference between classes and the basic types. In this video we show that this is not true, and what ramifications this has for Python. folder python string int objects object types folders abc boolean float function method things series error class thing box constructor From Hannah Lee 85 plays
05:47 Lesson 11.7 Mutable Functions Lesson 11.7 Mutable Functions	Lesson 11.7 Mutable Functions In the past if we wanted to do any significant computation, we needed a a fruitful function. Procedures are limited to testing or printing stuff out on the screen. But in this video we show how we… function folder call frame copy procedure point arguments functions parameter p. increment folders return constructor argument q. 2d parameters objects From Hannah Lee 84 plays
46:59 CS2110-FA17-15 Session 15 CS2110-FA17-15 Session 15	CS2110-FA17-15 Session 15 2017-10-13 00:00:00+00 method change egalitarianism method (computer programming) constructor field java programming language unified modeling language developmental psychology psychology systems science object event audio engineering listen interface implement computer programming thing program web colors curves color recursion computing terminology educational psychology epitaph records albums fashion accessories video game control methods square computing input devices software design patterns action counseling psychotherapy click understand philosophical terminology listener death customs question reasoning user interfaces specification social inequality signal processing mouse class fall 2017 caption complete pedagogy design called learning write videonote painting techniques quadrilaterals syntax button stack-oriented programming languages theatre syntactic function sewing From [email protected] 186 plays