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12 Supposex=1,y=-1,andz=1.Whatwillbedisplayedbythefollowingstatement?()if x > 0:if y>0:print("x> 0 andy>0")elif z > 0:print("x< 0 andz>0")

题型:单选题
选项
A. x > 0 and y > 0
B. x < 0 and z > 0
C. x < 0 and z < 0
D. nothing displayed
正确答案: