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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def corners_to_keypoints(corners):
 """function to take the corners from cv2.GoodFeaturesToTrack and return cv2.KeyPoints"""

    if corners is None:
        keypoints = []
    else:
        keypoints = [cv2.KeyPoint(kp[0][0], kp[0][1], 1) for kp in corners]

    return keypoints