A. [1,2,3,4,5,6,7,8,9,10] B. [1,2,3,4,5,6,7,8,9] C. [1, 4, 9, 16, 25, 36, 49, 64, 81] D. [1,2,4,3,6,9,4,8,12,16,5,10,15,20,25]
A. True B. False C. true D. false
A. (20,) B. ('runoob') C. () D. (123,'runoob')
A. 值可以是任意类型的python对象 B. 属于python中的不可变数据类型 C. 字典数据用花括号{}包裹 D. 由键值对(key-value)构成
A. 6 B. 2 C. 3 D. 4