Search for tag: "underscore"

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Lesson 28.2 Iterable Classes duration 7 minutes 38 seconds 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 75 plays
Lesson 23.5 Mixed-Type Operators duration 8 minutes 19 seconds Lesson 23.5 Mixed-Type Operators Lesson 23.5 Mixed-Type Operators	Lesson 23.5 Mixed-Type Operators Operator overloading allows us to redefine the meaning of + or * on objects of our class. But sometimes we want to mix together types like a fraction and integer. In this video we show that it is… fraction fractions times multiplication method underscore int thing helper methods star left operation precondition integer definition expression p. multiply sense From Hannah Lee 71 plays
Lesson23.4 The is Operator duration 4 minutes 0 seconds Lesson23.4 The is Operator Lesson23.4 The is Operator	Lesson23.4 The is Operator As we saw in the previous video, we cannot trust == if we need to test if two variables refer to the same object folder. In this video we show an alternative operator is, which is safe to use because… operator idea object fractions folder p. equals method symbol variable class objects r. numerator setter sense underscore style issue answer From Hannah Lee 52 plays
Lesson 23.3 Object Equality duration 8 minutes 51 seconds Lesson 23.3 Object Equality Lesson 23.3 Object Equality	Lesson 23.3 Object Equality Previously when we compared objects, we compared them attribute-by-attribute. That is because the meaning of == on objects is less clear. As we show in this video, that is because equality (and the… underscore fraction class fractions object methods multiplication thing equals folders sense operators objects equality comparison answer cross eq method numerator From Hannah Lee 83 plays
Lesson 23.2 Operator Overloading duration 5 minutes 39 seconds 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 78 plays
Lesson 22.6 Method Overriding duration 9 minutes 13 seconds 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 72 plays
Lesson 22.3 The object Class duration 5 minutes 14 seconds Lesson 22.3 The object Class Lesson 22.3 The object Class	Lesson 22.3 The object Class Every class must be a subclass of something, and that parent class goes inside of the parentheses. That means that the word object we have been using in all of class definitions is actually a class.… class object subclass underscore python attributes definition thing things parent folder tutor instance parentheses setters getters features purpose terminal classes From Hannah Lee 74 plays
Lesson 21.6 Immutable Attributes duration 4 minutes 57 seconds Lesson 21.6 Immutable Attributes Lesson 21.6 Immutable Attributes	Lesson 21.6 Immutable Attributes Getters and setters have another advantage in that they allow us to completely disable to any changes to an attribute. This allows us to separate attributes into mutable and immutable attributes,… attribute person turtle setter attributes setters getters initializer class things definition preconditions getter alright underscore distinction error fact statement assignment From Hannah Lee 88 plays
Lesson 21.5 Data Encapsulation duration 9 minutes 5 seconds Lesson 21.5 Data Encapsulation Lesson 21.5 Data Encapsulation	Lesson 21.5 Data Encapsulation In this previous video we introduced the concept of getters and setters. But how do we force the user to use these when the attribute is so much simpler. In this video we talk about the concept of… class attribute attributes method object methods hour interface underscore things specification setters getters hashtag definer thing setter folder tutor string From Hannah Lee 98 plays
Lesson 20.10 Representation Methods duration 10 minutes 3 seconds Lesson 20.10 Representation Methods Lesson 20.10 Representation Methods	Lesson 20.10 Representation Methods When we first introduced objects, we talked about the concept of object representation. But how does Python know how to use this representation. In this video, we see that this is the result of… string function class object helper underscore worker python methods initializer wrapper point purpose things method repr representation str repre tuple From Hannah Lee 75 plays
Lesson 9.10 Conditional Scripts duration 4 minutes 5 seconds Lesson 9.10 Conditional Scripts Lesson 9.10 Conditional Scripts	Lesson 9.10 Conditional Scripts The only difference between a module and a script is how you run it. But we have seen Python files that do different things when you run them as a script or import them as a module. This is done with… script test tests procedure python testing module statement underscore size thing angler variable bottom commands unit application semester underscores end From Hannah Lee 58 plays
Lesson 2.2 Assignment Statements duration 3 minutes 20 seconds Lesson 2.2 Assignment Statements Lesson 2.2 Assignment Statements	Lesson 2.2 Assignment Statements Now that we have some idea of what a variable is, it is time to start creating them. We do that with assignment statements, which are the subject of this video. python command box names expression statement assignment expressions x. e3 e1 underscore numbers letters symbol statements variables underscores operator float From Hannah Lee 118 plays
2DDF Workshop JHU 6 (Nick Carey) duration 4 hours 59 minutes 2DDF Workshop JHU 6 (Nick Carey) 2DDF Workshop JHU 6 (Nick Carey)	2DDF Workshop JHU 6 (Nick Carey) business telluride top logical molten zone metallic surface plasma physics data types temperature region business selling 3rd column 2nd thing typically grown logical insulator conduction channel industrial processes logical condo crystals crystallography caption complete data frame single crystal semiconductor growth temperature resistance periodic table creativity upper left feel free inverted behavior 2nd piece good question special characters neuropsychological assessment good answer higher temperature energy space condo insulator statistical charts and diagrams materials science data analysis logical conduit persistent directory insulators exist hard thing grow crystals excel file 1st thing copyright law pattern matching conduction band working directory magnetic impurity conduction electrons magic number chemical processes condensed matter physics curly brackets pretty good crow tribe charge carriers figure underscore value 1st element thought cooking techniques computer programming systematic trend based binder data transmission From James Overhiser 10 plays