Given a stack myData: $34,78($top is $34),$ what is the output after the following operations?

Peek$($myData$)$

Push$($myData$,2)$

Push$($myData$,15)$

Pop$($myData$)$

Pop$($myData$)$

print$($IsEmpty$($myData$))$

false

$78$ false

true

$34$ true