sh 'git clone https://git.wmi.amu.edu.pl/s444439/ium_z444439'
sh 'curl -O https://archive.ics.uci.edu/ml/machine-learning-databases/adult/adult.data'
sh 'sed -i "1i\\age,workclass,fnlwgt,education,education-num,marital-status,occupation,relationship,race,sex,capital-gain,capital-loss,hours-per-week,native-country,income" adult.data'