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* Revised the book * Update the book with the second revised edition * Revise base on the manuscript of the first edition
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
"""
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File: hash_map.py
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Created Time: 2022-12-14
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Author: msk397 (machangxinq@gmail.com)
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"""
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import sys
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from pathlib import Path
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sys.path.append(str(Path(__file__).parent.parent))
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from modules import print_dict
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"""Driver Code"""
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if __name__ == "__main__":
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# 初始化哈希表
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hmap = dict[int, str]()
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# 添加操作
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# 在哈希表中添加键值对 (key, value)
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hmap[12836] = "小哈"
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hmap[15937] = "小啰"
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hmap[16750] = "小算"
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hmap[13276] = "小法"
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hmap[10583] = "小鸭"
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print("\n添加完成后，哈希表为\nKey -> Value")
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print_dict(hmap)
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# 查询操作
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# 向哈希表中输入键 key ，得到值 value
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name: str = hmap[15937]
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print("\n输入学号 15937 ，查询到姓名 " + name)
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# 删除操作
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# 在哈希表中删除键值对 (key, value)
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hmap.pop(10583)
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print("\n删除 10583 后，哈希表为\nKey -> Value")
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print_dict(hmap)
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# 遍历哈希表
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print("\n遍历键值对 Key->Value")
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for key, value in hmap.items():
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print(key, "->", value)
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print("\n单独遍历键 Key")
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for key in hmap.keys():
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print(key)
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print("\n单独遍历值 Value")
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for val in hmap.values():
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print(val)
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