Python | Get key from value in Dictionary
Let’s see how to get the key by value in Python Dictionary.
Method 1: Using list.index()
The index() method returns index of corresponding value in a list. Below is an implementation how to use index() method to fetch Dictionary key using value.
java python python
The approach used here is to find two separate lists of keys and values. Then fetch the key using the position of the value in the val_list. As key at any position N in key_list will have corresponding value at position N in val_list.
Method #2: Using dict.item()
We can also fetch key from a value by matching all the values and then print the corresponding key to given value.