Write a while loop to calculate the sum of all the numbers the user inputs, until they put in -1. This means you will need to keep asking the user for a number to add to the sum until they put it in -1.

Sample Run:
Put in your number to add: 3
Your sum is 3.
Put in your number to add: 11
Your sum is 14.
Put in your number to add: 15
Your sum is 29.
Put in your number to add: -1

Fast answer i need for apex ! smartphones should be banned from the classroom in public schools so that students cannot cheat on test so easily? which is an example of a counter argument to the thesis above? a.the classroom is a place for learning not for making phone calls b. smartphones are useful learning tools in the modern classroom c.banning smartphones will not students pay attention to teachers any better d. banning smartphones would decreased incidents of theft