DataFrame.drop_duplicates(cols=None, take_last=False, inplace=False)

Return DataFrame with duplicate rows removed, optionally only considering certain columns

Parameters :

cols : column label or sequence of labels, optional

Only consider certain columns for identifying duplicates, by default use all of the columns

take_last : boolean, default False

Take the last observed row in a row. Defaults to the first row

inplace : boolean, default False

Whether to drop duplicates in place or to return a copy

Returns :

deduplicated : DataFrame