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Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})
line 5: The application class inherits from Tkinter's Frame class. line 7: Defines the function that sets up the Frame. line 8: Calls the constructor for the parent class, Frame. line 12: Defining the widgets. line 13: Creates a label, named MedialLabel with the text "Hello World". line 14: Sets the MedialLabel background colour to cyan.
The if clause body starts on line 3 since it is indented an additional level, and ends on line 4 since line 5 is indented a level less, a.k.a. outdented. The colon (:) at the end of a control statement line is Python syntax; not an aspect of the off-side rule. The rule can be realized without such colon syntax.
In class-based, object-oriented programming, a constructor (abbreviation: ctor) is a special type of function called to create an object.It prepares the new object for use, often accepting arguments that the constructor uses to set required member variables.
In computer programming, lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed.
An Azerbaijani airliner carrying 67 people crashed near the city of Aktau in Kazakhstan on Wednesday, killing at least 38 who were on board, according to a Kazakh official.
Melissa Rivers revealed during an interview with CNN’s Kaitlan Collins that she managed to save her mother Joan Rivers’ prized Emmy award before her house burned down in the L.A. fires (via ...
This baking mix line changed my life—and now it’s the only one I’ll ever buy. Food. Allrecipes. Häagen-Dazs releasing 2 brand-new ice cream products. Lighter Side. Lighter Side. People.