I had a 'verbal coding' assessment in job interview. Are these common? Does anyone have tips for aceing these?

The role was as a senior data scientist in a financial markets business.

I got usual behavioural questions and technical questions (stats, data analysis, modelling, etc.) from the team lead that i am confident i did well in.

However the last 10 minutes a senior analyst (more junior than my role) tells me hes going to give me a coding assesment. However rather than giving me a computer and a dataset, he asks me to speak code to him. He …

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