python_slicing I see in some examples we use two bracket but in others we use two I am little confused so how can I use them

Question

When do we use two brackets and when one.

Example: Weather[["Min TemperatureF","Mean TemperatureF", "Max TemperatureF"]]?

I see in some examples we use two brackets but in others we use two. I am a little confused so how can I use them.

Does this answer your question? [How to take column-slices of dataframe in pandas](https://stackoverflow.com/questions/10665889/how-to-take-column-slices-of-dataframe-in-pandas) — xdtTransform, Nov 21 '19 at 15:04

score 0 · Answer 1 · answered Nov 21 '19 at 14:57

You use two bracket when you want to return multiple columns e.g

Weather[["Min TemperatureF","Mean TemperatureF", "Max TemperatureF"]]

You use single brackets when you want to return a single column e.g.

Weather["Max TemperatureF"]

Here is a good SO answer on general column slicing of dataframes in pandas

1 Answers1