f1=open("E:/ai_challenger_stock_train_20171013/train1_18.csv","rb")
case_train=np.loadtxt(f1,delimiter=',',skiprows=0)
f1.close()
case_train1=np.array(case_train)
f1=open("E:/ai_challenger_stock_train_20171013/train1_18.csv","rb")
case_train=np.loadtxt(f1,delimiter=',',skiprows=0)
f1.close()
case_train1=np.array(case_train)