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hello-algo/zh-hant/codes/python/chapter_hashing/hash_map.py

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"""
File: hash_map.py
Created Time: 2022-12-14
Author: msk397 (machangxinq@gmail.com)
"""
import sys
from pathlib import Path
sys.path.append(str(Path(__file__).parent.parent))
from modules import print_dict
"""Driver Code"""
if __name__ == "__main__":
# 初始化雜湊表
hmap = dict[int, str]()
# 新增操作
# 在雜湊表中新增鍵值對 (key, value)
hmap[12836] = "小哈"
hmap[15937] = "小囉"
hmap[16750] = "小算"
hmap[13276] = "小法"
hmap[10583] = "小鴨"
print("\n新增完成後,雜湊表為\nKey -> Value")
print_dict(hmap)
# 查詢操作
# 向雜湊表中輸入鍵 key ,得到值 value
name: str = hmap[15937]
print("\n輸入學號 15937 ,查詢到姓名 " + name)
# 刪除操作
# 在雜湊表中刪除鍵值對 (key, value)
hmap.pop(10583)
print("\n刪除 10583 後,雜湊表為\nKey -> Value")
print_dict(hmap)
# 走訪雜湊表
print("\n走訪鍵值對 Key->Value")
for key, value in hmap.items():
print(key, "->", value)
print("\n單獨走訪鍵 Key")
for key in hmap.keys():
print(key)
print("\n單獨走訪值 Value")
for val in hmap.values():
print(val)