C# Solution

[Jacqueline00]

public class Solution {
public string ReverseString(string s) {

char[] str = new char[s.Length];

for (int i = str.Length - 1; i >= 0; i--)
{
    str[str.Length - 1 - i] = s[i];
}

string result=new string(str);
    
return result;
            
}

}