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Storify key of min and max in Python
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--- | ||
title: Find the key of the min or max value in a Python dictionary | ||
shortTitle: Key of min or max value in a dictionary | ||
type: story | ||
language: python | ||
tags: [dictionary] | ||
cover: goat-wooden-cottage | ||
excerpt: Find the key of the minimum or maximum value in a Python dictionary. | ||
dateModified: 2024-05-08 | ||
--- | ||
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Python's `min()` and `max()` functions can be used to find the minimum and maximum values in a dictionary. However, if you want to find the **key of the minimum or maximum value**, you can use the `key` parameter of these functions. | ||
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## Key of the minimum value in a dictionary | ||
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You can use `min()` with the `key` parameter set to `dict.get()` to find and return the key of the minimum value in a given dictionary. | ||
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```py | ||
def key_of_min(d): | ||
return min(d, key = d.get) | ||
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key_of_min({'a':4, 'b':0, 'c':13}) # b | ||
``` | ||
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## Key of the maximum value in a dictionary | ||
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Subsequently, you can replace `min()` with `max()` to find the key of the maximum value in the dictionary. | ||
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```py | ||
def key_of_max(d): | ||
return max(d, key = d.get) | ||
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key_of_max({'a':4, 'b':0, 'c':13}) # c | ||
``` |
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