I want to make a checkbox widget mandatory, so if the user doesn't select all the checkboxes a popup will show saying "no" and if they do check all the checkboxes something else will popup saying "yes" How do I do this with the Tkinter module in python?

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Quantitative means numbers (think quantity/amount)qualitative means descriptive (think quality)so the correct answer is: (none of these make sense)the best answer is b.  what do you think about sandwiches without mustard?

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Function tipcalculate (slider, bill){  var tip = document.getelementbyid('tipamount');   var slideval = document.getelementbyid('slideval');   var bill = document.getelementbyid(bill).value;   var prcnt = slider * .01;       if (bill == null || bill == '') {      tip.innerhtml = ' enter an amount';       return false;   }  if(isnan(bill)) {      tip.innerhtml = ' enter a number';       return false;   }  if(bill > = 0){      tip.innerhtml = '$' + (bill * prcnt) .tofixed(2);   slideval.innerhtml = slider + '%';   }}