DataFrame.duplicated(*args, **kwargs)

Return boolean Series denoting duplicate rows, optionally only considering certain columns

Parameters :

subset : 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

cols : kwargs only argument of subset [deprecated]

Returns :

duplicated : Series