関連ワード:  python access first element of a tuple    python get first element of a tuple    python get first element of tuple in list    python access first item of tuple    python get first element of each tuple in list    python get only first element of tuple    python get only first element of tuple in list    python get first two elements of tuple    python get first n elements of tuple    python get first and last element of tuple  
結果 : python access first element of a tuple