执行代码:>>>x,y,z='dog',4.521,3>>>s=r"There's%d%ssolderthan%.1fyears"%(z,x,y)>>>s执行后的结果是:
A. 'There's3dogsolderthan4.521years'
B. "There's3dogsolderthan4.52years"
C. 'There's3dogsolderthan4.5years'
D. "There's3dogsolderthan4.5years"
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执行代码:n=[3,-3,4,-2,0,6,-8]result=[ i for i in n if i >0 ]result执行后的结果是:
A. [-3,-2,0,8]
B. [3,4,6]
C. [3,4,0,6]
D. [-3,-2,-8]
执行代码:x=3.1415926print(value:%.3f%x)其结果为:
A. value:3.14
B. value:3.141
C. value:3.142
D. value:3.1416
执行命令:>>>items=(9,'0',(3,’4‘))>>>len(items)返回结果为:
A. 1
B. 2
C. 3
D. 4
执行命令:>>>items=(9,'0',(3,'4'))>>>items[-1][0]返回结果为:
A. 9
B. 0'
C. 3
D. 4'