application_vnd.jupyter.stderr_output_2.png text_plain_output_1.png
from subprocess import check_output

import pandas as pd
import numpy as np
import xgboost as xgb
from scipy.optimize import minimize
from sklearn.cross_validation import StratifiedShuffleSplit
from sklearn.ensemble import RandomForestClassifier
from sklearn.linear_model import LogisticRegression
from sklearn.metrics import log_loss
import os
from subprocess import check_output
print(check_output(['ls', '../input']).decode('utf8'))