Valid Parentheses
Input: `s` (str). Return: `True` if brackets are balanced, else `False`.
Example
Input: '()'
Output: True
Need a hint?
- Use a stack to track open brackets
Run your code to see output
Input: `s` (str). Return: `True` if brackets are balanced, else `False`.
Input: '()'
Output: True
Run your code to see output