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Tkinter is a binding to the Tk GUI toolkit for Python. It is the standard Python interface to the Tk GUI toolkit, [ 1 ] and is Python's de facto standard GUI. [ 2 ] Tkinter is included with standard Linux , Microsoft Windows and macOS installs of Python.
Example [ edit ] This is a simple " Hello world " module, depicting the creation of the two main objects in wxPython (the main window object and the application object), followed by passing the control to the event-driven system (by calling MainLoop() ) which manages the user-interactive part of the program.
Tk is a cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in many programming languages. It is free and open-source software released under a BSD-style software license.
A web page and its JavaScript typically run in a single-threaded web browser process. The browser process deals with messages from a queue one at a time. A JavaScript function or another browser event might be associated with a given message. When the browser process has finished with a message, it proceeds to the next message in the queue.
JavaScript asynchronous, event-based I/O. Influenced by systems like Ruby's Event Machine, Perl's POE or Python's Twisted. Plenty of modules available. Opera: Futhark: Opera Unite JavaScript is the server-side language used to develop services for the Opera Unite feature of the Opera browser. This is a server built into the browser.
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JavaScript-based web application frameworks, such as React and Vue, provide extensive capabilities but come with associated trade-offs. These frameworks often extend or enhance features available through native web technologies, such as routing, component-based development, and state management.
Python's is operator may be used to compare object identities (comparison by reference), and comparisons may be chained—for example, a <= b <= c. Python uses and, or, and not as Boolean operators. Python has a type of expression named a list comprehension, and a more general expression named a generator expression. [78]