## Abstract It would be nice if codes in f-string are highlighted in Python 3 Notebook. ## Steps to reproduce Jupyter Notebook version: 5.1 1. Open a Python 3 Notebook. 2. Insert a code cell. 3. Input `f'{list(map(lambda x: 2 * x, [1, 2, 3]))}'` into the inserted cell. ## Actual Result Codes in f-string are not highlighted as follows:  ## Expected Result Codes in f-string are highlighted like follows: 