Rearrange the chapters.

Start to translate codes from Java to Python.

codes/python/include/__init__.py

@@ -0,0 +1,9 @@
+import copy
+import math
+import random
+import functools
+import collections
+from typing import List
+from .linked_list import ListNode, list_to_linked_list, linked_list_to_list, get_list_node
+from .binary_tree import TreeNode, list_to_tree, tree_to_list, get_tree_node
+from .print_util import print_matrix, print_linked_list, print_tree