下面代码的输出结果是list1=["a",3,"b",10] del list1[ 1 : 3 ] print( list1 )
A. [3, 10]
B. ["a",10]
C. ["b",10]
D. [3, "b"]
查看答案
list=["HAIDIAN","XINXI",1997,2018],则 list[ 2 : ] 的值为
A. ["XINXI",1997,2018]
B. [1997, 2018]
C. ["XINXI"]
D. [1997]
list=["HAIDIAN","XINXI",1997,2018],则 list[ 0 : -1 ]的值为
A. [ ]
B. ["HAIDIAN","XINXI",1997]
C. ["HAIDIAN","XINXI",1997,2018]
D. [2018]
下面代码的输出结果是 list1 = [ ( m ,n ) for m in 'AB' for n in 'CD' ] print( list1 )
A. [('A', 'C'), ('A', 'D'), ('B', 'C'), ('B', 'D')]
B. [‘A’,’B’,’’,’’]
C. ['AC', 'AD', 'BC', 'BD']
D. 错误
已知列表 x = list( range( 9 ) ) , 那么执行语句 del x[:2] 之后, x 的值为。
A. [1,3,5,7,9]
B. [1,3,5,7]
C. [0,1,3,5,7]
D. [2,3,4,5,6,7,8]
微信支付 
支付宝支付