Python · GUIs with tkinter

Where is the origin of Qt's coordinate system, which way does the Y-axis point, and what is (0,0) relative to when you draw inside a widget?

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More in GUIs with tkinter

Which GUI toolkit can you import and use without installing anything beyond a standard CPython install?

You build a full tkinter window — root, labels, buttons — and run the script. Nothing appears and the program exits instantly. What's missing?

What is wrong with this button? ``` def greet(): print("hi") b = tkinter.Button( root, text="Go", command=greet()) ```

In one tkinter container you call .pack() on one widget and .grid() on another. What happens?

You create a tkinter.Label(root, text="Hi") but never call .pack(), .grid(), or .place() on it. Does it show?

Name tkinter's three geometry managers and the one-line rule for choosing between them.

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