下面代码的执行结果是print(pow(3,0.5)*pow(3,0.5)==3)
A. True
B. False
C. 3
D. pow(3,0.5)*pow(3,0.5)==3
查看答案
关于Python语句P*=P,以下选项中描述正确的是
A. P=0
B. 判断P是否等于它本身
C. 运行后P的值不改变
D. 给P赋值为它的平方
下面代码的输出结果是a=1.0if isinstance(a,int):print("{} is int".format(a))else:print("{} is not int".format(a))
A. 1.0 is not int
B. 出错
C. 无输出
D. 1.0 is int
下面代码的输出结果是a={}if isinstance(a,list):print("{} is list".format(a))else:print("{} is{}".format("a",type(a)))
A. 出错
B. a is<class 'dict'>
C. 无输出
D. a is list
下面代码的输出结果是a = [1,2,3]if isinstance(a,float):print("{} is float".format(a))else:print("{} is not float".format(a))
A. a is float
B. a is
C. [1, 2, 3] is not float
D. 出错