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![Invert Binary Tree | Day 1 | [ June LeetCoding Challenge ] [ Leetcode #226 ] [ 2020 ]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FiX1mNTOyTJk%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLBABVqHN0XT10XI9-afC-SiRcOFPA&w=256&q=75)
