sort using key-value in python code example

Example 1: sorting a dictionary in python

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 2: sort dictionary by key

dictionary_items = a_dictionary.items()
sorted_items = sorted(dictionary_items)