import pandas as pd
from sklearn import metrics
from sklearn.metrics import auc
# import argparse

def get_roc_curve(y,pred,pos_label):
	"""
	计算二分类问题的roc和auc
	"""
	fpr, tpr, thresholds = metrics.roc_curve(y, pred, pos_label)
	AUC = metrics.auc(fpr, tpr)
	print(AUC)