name phone email
1    1     [email protected]
2    2     [email protected]
3    3     [email protected]

name phone email
x    y     [email protected]
a    b     [email protected]

name phone email
1    1     [email protected]

def remove_warm_list_duplicates(dataframe):
    '''Remove rows that have emails from the warmlist'''
    warm_list = pd.read_csv(r'warmlist/' + 'warmlist.csv'
                            , encoding="ISO-8859-1"
                            , error_bad_lines=False)
    warm_list_emails = warm_list['Email Address'].tolist()
    dataframe = dataframe[dataframe['Email Address'].isin(warm_list_emails) == False]