hello-algo/codes/python/modules/__init__.py

# Follow the PEP 585 – Type Hinting Generics In Standard Collections
# https://peps.python.org/pep-0585/
from __future__ import annotations

# Import common libs here to simplify the codes by `from module import *`
from .list_node import (
    ListNode,
    list_to_linked_list,
    linked_list_to_list,
    get_list_node,
)
from .tree_node import TreeNode, list_to_tree, tree_to_list
from .vertex import Vertex, vals_to_vets, vets_to_vals
from .print_util import (
    print_matrix,
    print_linked_list,
    print_tree,
    print_dict,
    print_heap,
)