python 怎么提取嵌套在字典里的元组

python如何提取字典中嵌套的元组简介:index = { # 039合作 # 039；:[(0, 5)], #039;每次 # 039；:[(20, 99), (30, 11), (31, 69), (31, 80)],#039;关心 # 039；:[(6, 40), (9, 5)]