Python Pandas: How to iterate dataframe row by row and update while iterating

All of these examples have Python for loops.

Although often easier to read, it means you lose all the performance benefits from Pandas using NumPy arrays.

https://stackoverflow.com/questions/7837722/what-is-the-most...

Nice, I was just looking at this very topic today.

Note that with `itertuples()` you can also access the values by column name as well, so in your example you can also do `namedTuple.Name` or `namedTuple.Skill`.