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* Retranslate the complete English edition from Simplified Chinese * Polish three English explanations after reader-focused review
51 lines
1.3 KiB
Python
51 lines
1.3 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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# Initialize the hash table
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hmap = dict[int, str]()
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# Insert operation
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# Insert the key-value pair (key, value) into the hash table
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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("\nHash table after insertion:\nKey -> Value")
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print_dict(hmap)
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# Lookup operation
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# Look up key in the hash table to obtain value
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name: str = hmap[15937]
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print("\nLook up student ID 15937 to obtain the name " + name)
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# Remove operation
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# Remove the key-value pair (key, value) from the hash table
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hmap.pop(10583)
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print("\nHash table after removing 10583:\nKey -> Value")
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print_dict(hmap)
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# Traverse the hash table
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print("\nTraverse key-value pairs: Key->Value")
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for key, value in hmap.items():
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print(key, "->", value)
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print("\nTraverse keys only: Key")
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for key in hmap.keys():
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print(key)
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print("\nTraverse values only: Value")
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for val in hmap.values():
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print(val)
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