This article explores the implementation of a simple calculator code example using Python+tkinter programming as follows.
Without further ado, let's get straight to the point. We recommend that you follow along by knocking through the code, experiencing the wonders of code reuse, the use of string methods, and the dynamic creation of components, and then adding to and playing with this framework.
Choose any Python development environment, create a program file named tkinter_Calculator.pyw and write the following code:
1) Import the standard libraries re and tkinter, create and briefly set up the main application program, and place a read-only text box at the top of the window to display information.
2) Write generic processing code for various buttons on the calculator.
3) Create the various buttons on the calculator, set the appropriate properties and behaviors, and start the main message loop.
The writing is complete and the running interface is shown in the figure:
summarize
Any programming language, or even a discipline, requires a lot of hands-on practice in the learning process, and I hope you'll knock on the code yourself and take action, more than just changing the world, but it will definitely pay off.
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