import pandas
import csv
v = ['black', 'white']
a = list()
data = pandas.read_csv('TEST.csv', index_col='id')
data1 = list()
data1.append(['winner']);
for i in data['turns']:
    data1.append([v[i%2]])
path = "OUTPUT.csv"
with open(path, "w", newline='') as csv_file:
    writer = csv.writer(csv_file, delimiter=';')
    for line in data:
        writer.writerow(line)