text: '' Construct a Binary Tree
code: root = None NEW_LINE root = newNode ( 2 ) NEW_LINE root . left = newNode ( 3 ) NEW_LINE root . right = newNode ( 9 ) NEW_LINE root . left . left = newNode ( 4 ) NEW_LINE root . left . right = newNode ( 10 ) NEW_LINE root . right . right = newNode ( 6 ) NEW_LINE