Tahsin-Mayeesha

"""Official evaluation script for SQuAD version 2.0.

In addition to basic functionality, we also compute additional statistics and
plot precision-recall curves if an additional na_prob.json file is provided.
This file is expected to map question ID's to the model's predicted probability
that a question is unanswerable.
"""
import argparse
import collections
import json

Tahsin-Mayeesha

import cv2
import numpy as np
import time

cap = cv2.VideoCapture(0)
time.sleep(1)
background = 0
for i in range(30):
    ret, background = cap.read()