          array = [0, 1, 2, 3, 4, 5, 6]
          root = min_bst.create_min_bst(array)
          assert_equal(height(root), 3)
  
          array = [0, 1, 2, 3, 4, 5, 6, 7]
          root = min_bst.create_min_bst(array)
          assert_equal(height(root), 4)
  
          print('Success: test_bst_min')
 
</s> remove         root = create_min_bst(array)
 </s> add         root = min_bst.create_min_bst(array) </s> remove         root = create_min_bst(array)
 </s> add         root = min_bst.create_min_bst(array) </s> remove     "        root = create_min_bst(array)\n",
 </s> add     "        root = min_bst.create_min_bst(array)\n", </s> remove     "        root = create_min_bst(array)\n",
 </s> add     "        root = min_bst.create_min_bst(array)\n",
        min_bst = MinBst()
          array = [0, 1, 2, 3, 4, 5, 6]
          root = min_bst.create_min_bst(array)
          assert_equal(height(root), 3)
  
        min_bst = MinBst()
          array = [0, 1, 2, 3, 4, 5, 6, 7]
          root = min_bst.create_min_bst(array)
          assert_equal(height(root), 4)
  
          print('Success: test_bst_min')
keep keep keep add keep keep keep keep keep
 Move bst min to a class 
graphs_trees/bst_min/test_bst_min.py