20. Valid Parentheses
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Leetcode Daily Challenge - April 10, 2023
Leetcode 20. Valid Parentheses - Python Solution
Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
An input string is valid if:
Open brackets must be closed by the same type of brackets.
Open brackets must be closed in the correct order.
Every close bracket has a corresponding open bracket of the same type.