How does python sort dictionaries by key or numeric value

This article mainly introduces how python sorts dictionaries according to keys or values. It is very detailed and has a certain reference value. Friends who are interested must finish reading it.

How to sort dictionaries by key or numerical value # sort dictionaries by key or numerical value dict3 = {"low": 3, "irving": 6, "james": 1, "durant": 4} # Bronze player list3 = sorted (dict3.items (), key=lambda x: X [0]) dict3_keys = {for j for I, j in list3} print ("Bronze player keystroke sort:" Dict3_keys) list3 = sorted (dict3.items (), key=lambda x: X [1]) dict3_values = {isorted j for I, j in list3} print ("Bronze player by value:", dict3_values) # King player dict3_keys = {key: dict3 [key] for key in sorted (dict3)} print ("King player key order:", dict3_keys) dict3_values = {key: dict3 [key] for key in sorted (dict3) Key=dict3.get)} print ("Masters by value:", dict3_values)

Bronze player: this time I used the sorted built-in function to sort it, and then converted it to dictionary form. Two lines of code are done!

King player: bronze player your method will result in a waste of space resources in the process of conversion. I directly use the sorting of keys or values, and then use the sorted keys or values to construct the final dictionary, and the program is simple.

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