python sort by value code example

Example 1: how to sort a dictionary by value in python

import operator
x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
sorted_x = sorted(x.items(), key=operator.itemgetter(1))


# Sort by key
import operator
x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
sorted_x = sorted(x.items(), key=operator.itemgetter(0))

Example 2: how to store sorted list into new variable in python

>>> numbers = [6, 9, 3, 1]
>>> numbers_sorted = sorted(numbers)
>>> numbers_sorted
[1, 3, 6, 9]
>>> numbers
[6, 9, 3, 1]

Example 3: softing a dict in pythno

x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
{k: v for k, v in sorted(x.items(), key=lambda item: item[1])}
{0: 0, 2: 1, 1: 2, 4: 3, 3: 4}

Example 4: how to sort values in python

dogs.sort_values(["weight_kg", "height_cm"])

Example 5: how to sort values in python

dogs.sort_values(["weight_kg", "height_cm"], ascending=[True, False])

Example 6: how to sort values in python

dogs.sort_values("weight_kg")