✅ Python not correctly highlighted in Visual Studio

Hello, I am programming Python in Visual Studio, but I have noticed that the code-highlighting is not working as I would expect. When you go to the website of Visual Studio for Python (see https://visualstudio.microsoft.com/vs/features/python/?wt.mc_id=aka_ms_python), you see images of very neat highlighted code, but in my case it looks like this (see image). As far as I know I have already installed the Data Science and Python tooling, but this brings no results. Someone that can point me in the right direction?

Visual Studio

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