PYTHON ONLY

can u help with this

Write a function isvalid that given a string s (argument), containing only the characters (, ), {,}.[ and ] determine if the input string is valid (return True otherwise False). An input string is valid if: 1. The string only contains (),,{},,[ or ] characters. 2. All open brackets are closed. 3. Open brackets must be closed by the same type of brackets. 4. Open brackets must be closed in the correct order/type. Tips - You can use a list (i.e. auxi ist) to help you verify the order of opening/closing brackets - When you find an opening bracket, you can add it to the auxlist using append - When you find a closing bracket you pop the last element from auxlist: - if that is the opening pair, then it's correct . you can proceed - if not, then the string is invalid A your code here