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.
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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.
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