Create second tree as shown in example
root2 = None NEW_LINE root2 = insert ( root2 , 10 ) NEW_LINE root2 = insert ( root2 , 7 ) NEW_LINE root2 = insert ( root2 , 20 ) NEW_LINE root2 = insert ( root2 , 4 ) NEW_LINE root2 = insert ( root2 , 9 ) NEW_LINE print ( " Tree ▁ 1 ▁ : ▁ " ) NEW_LINE inorder ( root1 ) NEW_LINE print ( ) NEW_LINE print ( " Tree ▁ 2 ▁ : ▁ " ) NEW_LINE inorder ( root2 ) NEW_LINE print ( ) NEW_LINE print ( " Common ▁ Nodes : ▁ " ) NEW_LINE printCommon ( root1 , root2 ) NEW_LINE