How To Check For Valid Parentheses In Python
Given a string of parentheses, checking if the parentheses combination is valid is a popular coding interview question. And over the next few minutes, you’ll learn the technique to solve this question and also code up a Python function to validate a given string. What is the Valid Parentheses Problem? Let’s start our discussion by answering the question, what is the valid parentheses problem? A valid parentheses string satisfies the following two conditions: Here are a few examples of valid and invalid parentheses strings....