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Last updated 12:32 PM on 12/26/25
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4 Terms
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What is a dictionary in Python?
An unordered, changeable collection of key–value pairs, with unique keys.Dictionaries are used to store data values like a map, in which a key is associated with a value.
2
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How to create a dictionary?
d = {'a': 1, 'b': 2}ord = dict(a=1, b=2).
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How to create an empty dictionary?
d = {}.
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How to access a value by key?
d['a'] returns the value for key 'a'.
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