🔒 How can i check for duplicates in a specific column?

[hollow garnet]

so i am trying to use this code from a introduction to pandas but it doesn't work

[lyric wind]

@hollow garnet

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[slender flame]

can you show the full example?

[hollow garnet]

meaning the dataframe?

[slender flame]

and the output

[slender flame]

It's erroring because you put subset=["Name"] but there is no column named "Name", only one name "name" (lowercase)

[hollow garnet]

oh i see now thx

i haven't save the rename

[slender flame]

df.rename doesn't work in place, it returns a new renamed df

You either have to assign it again or use inplace=True

[hollow garnet]

ok thx

let me try it now

[lyric wind]

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