class Solution:
    def nthPersonGetsNthSeat(self, n: int) -> float:
        if n == 1:
            return 1.0
        else: 
            return 0.5 
class Solution:
    def nthPersonGetsNthSeat(self, n: int) -> float:
        if n == 1:
            return 1.0
        else: 
            return 0.5 