Call started with general introduction and my background, followed by 20 min of coding challenge and then 15 min of technical scenario based questions (system design)

Check for validity of parenthesis {}, (), [] for a given string

Example:

Input: "[1,{3},(4+(5/2))*5]"

Output: True


Input: "[1,{3},(4+(5/2))*5]]"

Output: False