阅读下面程序:li_one = ['p','c','q','h']li_two = ['o']li_one.extend(li_two)li_one.insert(2,'n')print(li_one)运行程序,输出结果正确的是()
A. ['p','c','n','q','h','o']
B. ['p','c',h','q','n','o']
C. ['o','p','c','n','q','h']
D. ['o','p','n','c','q','h']
下列创建元组的语句中,正确的是()
A. tu_one = tuple('1','2')
B. tu_two = ('q')
C. tu_three = ('on',)
D. tu_four = tuple(3,5)