Questi$$n $10$

The following program is supposed to sum all of the numbers entered by the user. What line of code must be inserted in the blank so that the program will achieve this goal?

total $=0\mathrm{.}0$

inputstr $=$ input$("$Enter a value: $")$

while inputstr, $!=,"$n :

value $=$ float$($inputstr$)$

inputstr $=$ input$("$Enter a value: $")$

value $=$ value $+$ inputStr

value $=$ value $+$ total

total $=$ total $+$ inputstr

total $=$ total $+$ value