Python中的逆字典查找 [英] Inverse dictionary lookup in Python

问题描述

所有我想到的都是这样的：

  key = [key for key，value_obj.items（）中的值if value =='value'] [0] 
  

解决方案

没有。不要忘记，可以在任意数量的键上找到该值，包括0或超过1个。

Is there any straightforward way of finding a key by knowing the value within a dictionary?

All I can think of is this:

key = [key for key, value in dict_obj.items() if value == 'value'][0]

解决方案

There is none. Don't forget that the value may be found on any number of keys, including 0 or more than 1.

这篇关于Python中的逆字典查找的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！