How to see if a string in a pandas column appears in a list

Question

I have a Pandas DataFrame, called Matches with a column called MatchIDs. This contains a selection of Match IDs as below:

Man CityTotte         


        

Answer 1

Use isin for check values of column MatchIDs in second df called Rivals, last cast boolean mask to int by astype:

Matches['new'] = Matches['MatchIDs'].isin(Rivals['MatchIDs']).astype(int)

Also if values are in list:

Matches['new'] = Matches['MatchIDs'].isin(L).astype(int)