find the runner up score solution in python3

1if __name__ == '__main__':
2    n = int(input())
3    arr = map(int, input().split())
4    arr = list(arr)
5    x = max(arr)
6    y = -9999999
7    for i in range(0,n):
8        if arr[i]<x and arr[i] > y:
9            y = arr[i]
10    
11    print(y)
12