mirror of
				https://github.com/krahets/hello-algo.git
				synced 2025-11-04 06:07:20 +08:00 
			
		
		
		
	* Revised the book * Update the book with the second revised edition * Revise base on the manuscript of the first edition
		
			
				
	
	
		
			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""
 | 
						|
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__":
 | 
						|
    # 初始化哈希表
 | 
						|
    hmap = dict[int, str]()
 | 
						|
 | 
						|
    # 添加操作
 | 
						|
    # 在哈希表中添加键值对 (key, value)
 | 
						|
    hmap[12836] = "小哈"
 | 
						|
    hmap[15937] = "小啰"
 | 
						|
    hmap[16750] = "小算"
 | 
						|
    hmap[13276] = "小法"
 | 
						|
    hmap[10583] = "小鸭"
 | 
						|
    print("\n添加完成后,哈希表为\nKey -> Value")
 | 
						|
    print_dict(hmap)
 | 
						|
 | 
						|
    # 查询操作
 | 
						|
    # 向哈希表中输入键 key ,得到值 value
 | 
						|
    name: str = hmap[15937]
 | 
						|
    print("\n输入学号 15937 ,查询到姓名 " + name)
 | 
						|
 | 
						|
    # 删除操作
 | 
						|
    # 在哈希表中删除键值对 (key, value)
 | 
						|
    hmap.pop(10583)
 | 
						|
    print("\n删除 10583 后,哈希表为\nKey -> Value")
 | 
						|
    print_dict(hmap)
 | 
						|
 | 
						|
    # 遍历哈希表
 | 
						|
    print("\n遍历键值对 Key->Value")
 | 
						|
    for key, value in hmap.items():
 | 
						|
        print(key, "->", value)
 | 
						|
 | 
						|
    print("\n单独遍历键 Key")
 | 
						|
    for key in hmap.keys():
 | 
						|
        print(key)
 | 
						|
 | 
						|
    print("\n单独遍历值 Value")
 | 
						|
    for val in hmap.values():
 | 
						|
        print(val)
 |