num_col.txt

["limit_balance", "sex", "education_level", "marital_status", "age", "pay_1", "pay_2", "pay_3", "pay_4", "pay_5", "pay_6", "bill_amt_1", "bill_amt_2", "bill_amt_3", "bill_amt_4", "bill_amt_5", "bill_amt_6", "pay_amt_1", "pay_amt_2", "pay_amt_3", "pay_amt_4", "pay_amt_5", "pay_amt_6"]