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08:56 Lesson 24.4 Duck Typing Lesson 24.4 Duck Typing	Lesson 24.4 Duck Typing This partial typing from the previous video has a name. It is called duck typing. In this video we show both why this is so popular among Python programmers and also why it is so controversial. duck point typing fraction attributes object types denominator numerator instance language programming times function bugs languages getter python class ease From Hannah Lee on November 12th, 2020 34 plays Content Categories Instructional Recordings Creation Date November 12th, 2020 Creator 1 First Name Walker Creator 1 Last Name White Creator 1 Role Faculty or Staff Member Creator 1 NetID wmw2 Language English Searchable Yes Searchable On Cornell Web Search
05:52 Lesson 24.1 Strict Typing Lesson 24.1 Strict Typing	Lesson 24.1 Strict Typing Whenever we have enforced preconditions, we have always used the type function. In this video we show why that is a problem, particularly when we want to use an object argument that is a subclass of… fraction operations int typing denominator thing multiplication problem class preconditions series subclasses error fractions subclass definition lot assertion power sense From Hannah Lee on November 12th, 2020 28 plays Content Categories Instructional Recordings Creation Date November 12th, 2020 Creator 1 First Name Walker Creator 1 Last Name White Creator 1 Role Faculty or Staff Member Creator 1 NetID wmw2 Language English Searchable Yes Searchable On Cornell Web Search
09:37 Lesson 23.8 Properties (OPTIONAL) Lesson 23.8 Properties (OPTIONAL)	Lesson 23.8 Properties (OPTIONAL) This video introduces an advanced topic that is completely optional and will not appear on any exam. Classes like RGB and Point3 appear to enforce their invariants without any getters and setters.… property attribute numerator method getter setter fraction class properties tutor invariant setters getters denominator decorator module fact specification attributes rgb From Hannah Lee on November 8th, 2020 12 plays Content Categories Instructional Recordings Creation Date November 7th, 2020 Creator 1 First Name Walker Creator 1 Last Name White Creator 1 Role Faculty or Staff Member Creator 1 NetID wmw2 Language English Searchable Yes Searchable On Cornell Web Search
09:44 Lesson 23.1 The Principle of Abstraction Lesson 23.1 The Principle of Abstraction	Lesson 23.1 The Principle of Abstraction In this video we introduce the principle of abstraction, which is simply hiding unnecessary details about a class from the user of a class. However, there are many different ways to do that, which is… fraction class python things abstraction operations attributes operator denominator object methods numerator lot times method fractions setters getters encapsulation floats From Hannah Lee on November 8th, 2020 42 plays Content Categories Instructional Recordings Creation Date November 7th, 2020 Creator 1 First Name Walker Creator 1 Last Name White Creator 1 Role Faculty or Staff Member Creator 1 NetID wmw2 Language English Searchable Yes Searchable On Cornell Web Search
12:13 CIHF Presenter Daniel Winterbottom CIHF Presenter Daniel Winterbottom	CIHF Presenter Daniel Winterbottom neighborhood family physical therapy climate change philosophical terminology washington community rooms education small space children caption complete arts primary concern internationally fisher house hospital departments environment spirituality difficult therapeutic environment garden students landscape architecture stuff published anthropology spend time types of organization construction disciplinary psychotherapy understand design build v.a. cognition university project motherhood physical exercise manipulative therapy architecture horticulture and gardening common denominator sociology of culture From Nikki Cerra on May 9th, 2019 13 plays