[Python] Python Tkinter: Why are there so many ways to get the width of a widget and what are...

I have so far discovered four discovered width (or height) related methods and properties of widget (some for them also can be used to get other widget properties). What are the differences between all of them?

• widget["width"]
• widget.cget("width")
• widget.winfo_width()
• widget.winfo_reqwidth()

(There are also equivalent methods and properties for height).

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