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Add typing annotations to Python codes. (#411)

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This commit is contained in:
Yudong Jin
2023-03-12 18:49:52 +08:00
committed by GitHub
parent 2029d2b939
commit 9151eaf533
50 changed files with 577 additions and 817 deletions
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14
codes/python/chapter_searching/linear_search.py
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@ -8,7 +8,7 @@ import sys, os.path as osp
sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
from modules import *
def linear_search_array(nums, target):
def linear_search_array(nums: List[int], target: int) -> int:
""" 线性查找（数组） """
# 遍历数组
for i in range(len(nums)):
@ -16,7 +16,7 @@ def linear_search_array(nums, target):
return i
return -1 # 未找到目标元素，返回 -1
def linear_search_linkedlist(head, target):
def linear_search_linkedlist(head: ListNode, target: int) -> Optional[ListNode]:
""" 线性查找（链表） """
# 遍历链表
while head:
@ -28,14 +28,14 @@ def linear_search_linkedlist(head, target):
""" Driver Code """
if __name__ == '__main__':
target = 3
target: int = 3
# 在数组中执行线性查找
nums = [1, 5, 3, 2, 4, 7, 5, 9, 10, 8]
index = linear_search_array(nums, target)
nums: List[int] = [1, 5, 3, 2, 4, 7, 5, 9, 10, 8]
index: int = linear_search_array(nums, target)
print("目标元素 3 的索引 =", index)
# 在链表中执行线性查找
head = list_to_linked_list(nums)
node = linear_search_linkedlist(head, target)
head: ListNode = list_to_linked_list(nums)
node: Optional[ListNode] = linear_search_linkedlist(head, target)
print("目标结点值 3 的对应结点对象为", node)