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Python Dictionary | items method

schedule Aug 12, 2023
Last updated
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Python
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Python's dict.items() method returns a view object displaying the key/value pairs of a dictionary as a list of tuples.

NOTE

View objects provide a dynamic view on the dictionary’s entries, which means that when the dictionary changes, the view objects reflect these changes.

Parameters

No parameters.

Return value

A view object displaying the key/value pairs of the dictionary as a list of tuples.

Examples

Basic usage

To return a view object displaying the key/value pairs of scores dictionary:

scores = {'Andrew': 77, 'Matt': 80, 'Bob': 90}
scores.items()
dict_items([('Andrew', 77), ('Matt', 80), ('Bob', 90)])

Dynamic behavior

To check whether the returned view object reflects the newly added key 'Ben':

scores = {'Andrew':77, 'Matt': 80, 'Bob': 90}
print("Original Items: ", scores.items())

scores.update({'Ben': 99})
print("Updated Items: ", scores.items())
Original Items: dict_items([('Andrew', 77), ('Matt', 80), ('Bob', 90)])
Updated Items: dict_items([('Andrew', 77), ('Matt', 80), ('Bob', 90), ('Ben', 99)])

We can see the returned view object now includes the newly added key/value pair of 'Ben': 99.

robocat
Published by Isshin Inada
Edited by 0 others
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