algorithm/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2025-11-02 21:24:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fixed some problems, indentation and Pointer

Browse Source
This commit is contained in:
machangxin
2022-12-15 09:43:20 +08:00
parent 148dbaa0a1
commit 1229f98e92
9 changed files with 185 additions and 175 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
codes/python/chapter_hashing/hash_map.py
View File

@ -4,43 +4,44 @@ Created Time: 2022-12-14
Author: msk397 (machangxinq@gmail.com)
"""
import sys, os.path as osp
sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
from include import *
if __name__ == "__main__":
""" 初始化哈希表 """
Map = {}
mapp = {}
""" 添加操作 """
# 在哈希表中添加键值对 (key, value)
Map[12836] = "小哈"
Map[15937] = "小啰"
Map[16750] = "小算"
Map[13276] = "小法"
Map[10583] = "小鸭"
mapp[12836] = "小哈"
mapp[15937] = "小啰"
mapp[16750] = "小算"
mapp[13276] = "小法"
mapp[10583] = "小鸭"
print("\n添加完成后，哈希表为\nKey -> Value")
for key, value in Map.items():
print(key, "->", value)
print_dict(mapp)
""" 查询操作 """
# 向哈希表输入键 key ，得到值 value
name = Map[15937]
name = mapp[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)
Map.pop(10583)
mapp.pop(10583)
print("\n删除 10583 后，哈希表为\nKey -> Value")
for key, value in Map.items():
print(key, "->", value)
print_dict(mapp)
""" 遍历哈希表 """
print("\n遍历键值对 Key->Value")
for key, value in Map.items():
for key, value in mapp.items():
print(key, "->", value)
print("\n单独遍历键 Key")
for key in Map.keys():
for key in mapp.keys():
print(key)
print("\n单独遍历值 Value")
for val in Map.values():
print(val)
for val in mapp.values():
print(val)