36 lines
618 B
Python
36 lines
618 B
Python
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#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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"""
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Topic: 字典的集合操作
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Desc :
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"""
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def dict_commonality():
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a = {
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'x': 1,
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'y': 2,
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'z': 3
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}
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b = {
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'w': 10,
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'x': 11,
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'y': 2
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}
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# Find keys in common
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print(a.keys() & b.keys()) # { 'x', 'y' }
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# Find keys in a that are not in b
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print(a.keys() - b.keys()) # { 'z' }
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# Find (key,value) pairs in common
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print(a.items() & b.items()) # { ('y', 2) }
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print(type(a.items()))
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for a, b in a.items():
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print(a, b)
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if __name__ == '__main__':
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dict_commonality()
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