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I made a pandas dataframe, but when I call df.columns I get RangeIndex(start=0, stop=17, step=1). What is happening? I just want to get a list of my headers

Alexander Hernandez
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    It's very difficult for someone to help you with what you have given here. You should post a [reproduce-able example](https://stackoverflow.com/help/minimal-reproducible-example) so that others might be able to help you out more – sedavidw Dec 04 '20 at 03:35
  • How did you make the dataframe? If you didn't specify headers (or use something like read_csv) then the columns will just be 0, 1, 2, 3 ... but that is implemented via the `RangeIndex`. `df[0]` should get you the first column. – tdelaney Dec 04 '20 at 03:38

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This post covers your question in detail: Get list from pandas DataFrame column headers

Briefly, you can use: df.columns.tolist() or df.columns.values.tolist()

Jin
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