A. 2*3和13/2 B. 2**3和pow(2,3) C. abs(-4)和-2**2 D. int(1.55)和round(1.55)
A. all([1,2,3,"None"]) B. any(['',None,False,"false"]) C. "hello" is "hello World" D. 1<3 and "hello"<"world"
A. True B. False
A. 字符串 B. 字节串 C. 布尔型 D. 空类型
A. my \name: B. my name: C. my ame: D. my name:
A. 系统会抛出异常 B. 变量x的类型为“str” C. 变量x的类型为“int” D. type(x)返回值为True
A. for i in range(10,0):total+=i B. for i in range(1,11):total+=i C. for i in range(10,0,-1):total+=i D. for i in(10,9,8,7,6,5,4,3,2,1):total+=i
A. ['2', '4', '6'] B. [2, 4, 6] C. ['11', '22', '33'] D. [11, 22, 33]
A. a.sort() B. a.sort(reverse=True) C. sorted(a) D. a.reverse()
A. 1 B. 2 C. 3 D. 4