Order

 Am now getting input, and processing successfully:

 the window has to be created form the beginning. StringVar() is used

so that one can make another choice in the same session. I added the delete() 

method so that the entry widget would clear afer a submit.

                                                             

                             

https://www.geeksforgeeks.org/python-tkinter-entry-widget/

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Something to follow over the week-end: who will get 100 backers to run for

British PM:

Guido Fawkes – Parliamentary Plots & Conspiracy (order-order.com)