在列表中查找第二个最大数 - HackerRank — Python

Question

I am just trying To solve Find second maximum number in a list problem on HackerRank.
Here is my code:

lst = [] 
n = int(input(""))  
arr3=[]
for i in range(0, n): 
    ele = int(input()) 
    lst.append(ele)
    for i in lst:
        if(i not in arr3):
            arr3.append(i) 
arr3.sort()
x=len(arr3)
print(arr3[x-2])

when i run the program on VScode IDE it runs fine, but when i test in HackerRank builtin IDE it return message as Runtime error stating ValueError: invalid literal for int() with base 10

Answer 1

Referencing the problem: Second Max in a List

if __name__ == '__main__':
    n = int(input())
    arr = map(int, input().split())

my_array = list(arr)

print(
    max([x for x in my_array if x != max(my_array)])
)