Question: The following operations are performed on an initially empty stack named musicIdol. musicIdol.push ( Drake ) musicIdol.push ( Beyonce ) musicIdol.push

The following operations are performed on an initially empty stack named musicIdol.
musicIdol.push("Drake")
musicIdol.push("Beyonce")
musicIdol.push("Bieber")
musicIdol.peek()
musicIdol.push("Sheeran")
musicIdol.pop()
musicIdol.pop()
musicIdol.peek()
musicIdol.push("Rihanna")
After all the operations have been executed, the number of elements in musicIdol are:

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