// Round - 1
Given two text nodes, print the text between both the text nodes.
// Hint - Text nodes are always the leaf nodes and you always have the root node to start.
// Round - 2
// Behavioural
// Round - 3
// throttle, debounce and caching
// Follow up: How do cache a function which takes function as arguments.
// Round - 4
// System Design - pinterest and how will you scale frontend.