相关考题
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单项选择题
执行结果为[1,2,3,1,2,3,1,2,3]的表达式是()。
A.[1,2,3]+[1,2,3]
B.[’1’,’2’,’3’]+[’1’,’2’,’3’]+[’1’,’2’,’3’]
C.[1,2,3]**3
D.[1,2,3]*3 -
单项选择题
以下代码的输出结果是()。lt =["apple","orange","banana"]ls =ltlt.clear()print(ls)
A.’apple’,’orange’,’banana’
B.[’apple’,’orange’,’banana’]
C.[]
D.变量未定义的错误 -
单项选择题
以下代码的输出结果是()。x =["Python","is","open"]y =["simple"]x[2:]=yprint(x)
A.[’Python’,’is’,’simple’]
B.["Python","is","simple"]
C.["Python","is","open","simple"]
D.出错
