python pandas로 공부중인 초본대요

<span role="img" aria-label="Four of five stars" class="cmpt-rating-medium ">

<span role="img" aria-label="Four and a half out of five stars" class="cmpt-rating-medium ">

가 있으면 여기서 aria-label 값들을 저장할 방법이 있을까요?