Palindrom or not? C#+Python

static class Program
{

//with string and char list method :)
    static void Main()
    {
        Console.WriteLine("Give me a number");
        List<char>? numb = Console.ReadLine()?.ToCharArray().ToList();
        string palidrome = string.Empty;
        string origin = string.Empty;

        if (numb != null)
        {

            foreach (char item in numb)
            {
                origin += item;
            }

            numb.Reverse();
            foreach (char item in numb)
            {
                palidrome += item;
            }

            Console.WriteLine(origin.Equals(palidrome) ? "Palindrome" : "Not Palindrome");
        }
    }
}

//Python version 2x
n=0
original =0
reverzed = 0
reminder =0

n = int(input('Give me a number!\n'))

original = n

while (n!=0):
    reminder = n % 10
    reverzed = reverzed * 10 + reminder
    n //=10


if (original == reverzed):
    print("Palindrom")
else:
    print("Not palindrom")


"""
#No way in c#
s = input('Give me a number!\n')
if s == s[::-1]:
    print("Palindrom")
else:
    print("Not palindrom")
"""