Python 按最后三个字符和一个数字对字符串列表中的字符串进行排序
[英]Python sort strings in a list of strings by 3 last characters and a number
问题描述
I've a list of strings as following:
我有一个字符串列表如下：
input = ['foobaraaa1', 'foobaraab1', 'foobaraac1', 'foobaraaa2', 'foobaraab2', 'foobaraacc']
I need to sort it descending by last 4 characters and a rule that numbers < letters and print first output我需要按最后 4 个字符和numbers < letters并首先打印 output 的规则对其进行降序排序
In this case I'd need the output to be foobaraacc在这种情况下，我需要 output 是foobaraacc
my code looks like:我的代码看起来像：
print((f'Latest Released Firmware SM-J400F: ' + sorted(result,key=lambda x: (x[::-4], len(x)),reverse=True)[0]))
But it is not working as needed但它没有按需要工作
1 个解决方案
解决方案1
3 已采纳 2020-05-08 11:55:54
Your key function is… strange.你的钥匙 function 是……奇怪。 Why did you put len(x) there?你为什么把len(x)放在那里？ IMHO this should be enough:恕我直言，这应该足够了：
print((f'Latest Released Firmware SM-J400F: ' + sorted(result,key=lambda x: x[-4:],reverse=True)[0]))
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