Improve Python code for importing modules.

codes/python/chapter_array_and_linkedlist/linked_list.py

@@ -4,10 +4,11 @@ Created Time: 2022-11-25
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
-from modules import *
+sys.path.append(str(Path(__file__).parent.parent))
+from modules import ListNode, print_linked_list
 
 
 def insert(n0: ListNode, P: ListNode):

codes/python/chapter_array_and_linkedlist/list.py

@@ -43,7 +43,7 @@ if __name__ == "__main__":
     for i in range(len(nums)):
         tmp.append(nums[i])
     print(f"\n通过索引遍历列表得到 tmp = {tmp}")
-    
+
     tmp.clear()
     for num in nums:
         tmp.append(num)