How python tracks the frequency of elements in a list

This article mainly introduces how python tracks the frequency of elements in the list, which has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.

Track the frequency of elements in a list

If you also want to know how the non-champion players performed in the game, you can see the situation of the second and third players according to the above example. To do that, you need to find out what each player's reward is. You can use dictionary generatives and sorted() functions with lambda functions.

>>> winnings = ['John','Billy', 'Billy', 'Sam', 'Billy', 'John'] >>> tracked = {item: winnings.count(item) for item in set (winnings)} >>> sorted (tracked.items(), key=lambda x: x[1], reverse=True) [('Billy ', 3),('John', 2),('Sam ', 1)] Thank you for reading this article carefully. I hope that the article "How python tracks the frequency of elements in the list" shared by Xiaobian will be helpful to everyone. At the same time, I hope everyone will support it a lot. Pay attention to the industry information channel. More relevant knowledge is waiting for you to learn!