import pandas as pd

data = pd.read_csv('/datasets/visits_eng.csv', sep='\t')
data['local_time'] = (
    pd.to_datetime(data['date_time'], format='%Y-%m-%dT%H:%M:%S')
    + pd.Timedelta(hours=7)
)
#print(data.head)

#data["too_fast"] = data["time_spent"].apply(lambda x: True if x <60 else False)
data["too_fast"] = data["time_spent"]<60

print(data.head())