from random import choice
from csv import DictWriter

COLS_NAMES = ['prticipant.label', 'attitude']
PARTICIPANTS_LABELS = list(range(1, 100))
ATTITUDES = ['pro', 'anti', 'neutral']

data = list()
for label in PARTICIPANTS_LABELS:
    data.append(
        {COLS_NAMES[0]: label, COLS_NAMES[1]: choice(ATTITUDES)}
    )

with open('data_attitude.csv', 'w', newline='') as f:
    writer = DictWriter(f, fieldnames=COLS_NAMES)
    writer.writeheader()
    writer.writerows(data)