已知列表list1 = [5,10,3,9],执行下述代码后,程序运行结果为()。
A. st1 = [5,10,3,9]
B. st1.insert(1,30)
C. int(list1[1])
D. 10
E. 5
F. 9
G. 30
已知列表list1 = [52,35,64,20,14,59],进行sort排序后,list1的值为( )。
A. st1 = [52,35,64,20,14,59]
B. st1.sort()
C. int(list1)
D. [52,35,64,20,14,59]
E. [64,59,52,35,20,14]
F. [14,20,35,52,59,64]
G. [59,14,20,64,35,52]
已知字典的键值对如下面代码所示,当执行print()语句时,运行结果为( )
A. xt = {'name':'Jack',"age":'18', 'address': 'ShangHai'}
B. xt.setdefault('address', 'BeiJing')
C. int(text['address'].1ower( ))
D. ShangHai
E. BeiJing
F. shanghai
G. bejjing
运行下面的代码,程序的运行结果为( ) .results = {'name':‘韩梅梅,'sex':'女", 'score':'50', 'address':'XiaMen'}list1=[ ]for i in results:list1.append(i)print(list1[2])
A. score
B. 50
C. sex
D. 女