Find the Runner-up Score

if __name__ == '__main__':
    n = int(input())
    arr = map(int, input().split())
    
    if 2<=n<=10:
        l1=list(arr)
        
        for i in range(0,len(l1)):
            if -100<=l1[i]<=100:
                for j in range(0,i):
                    if l1[j]>l1[i]:
                        temp=l1[j]
                        l1[j]=l1[i]
                        l1[i]=temp
        l2=[]
        for i in l1:
            if i not in l2:
                l2.append(i)
        print(l2[-2])