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单选题 What will be the output of the following Python code? a=[13,56,17] a.append([87]) a.extend([45,67]) print(a)

A. [13, 56, 17, 87, 45, 67]

B. [13, 56, 17, [87], [45, 67]]

C. [13, 56, 17, 87,[ 45, 67]]

D. [13, 56, 17, [87], 45, 67]

Python程序设计（双语）课程封面

学科：Python程序设计（双语）

时间：2023-11-24 00:22:55

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题目1
单选题
What will be the output of the following Python code? a=[13,56,17] a.append([87]) a.extend([45,67]) print(a)
A. [13, 56, 17, 87, 45, 67]B. [13, 56, 17, [87], [45, 67]]C. [13, 56, 17, 87,[ 45, 67]]D. [13, 56, 17, [87], 45, 67]
题目2
单选题
The value of ls after the assign statement ls=[m+n for m in 'AB' for n in 'CD'] is
A. ['AC', 'AD', 'BC', 'BD']B. ABCDC. 错误D. AABBCCDD
题目3
单选题
What will be the output of the following Python code? >>>list("a#b#c#d".split('#'))
A. ['a#b#c#d']B. ['a b c d']C. ['abcd']D. ['a', 'b', 'c', 'd']
题目4
单选题
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], which output of the following choices is correct
A. >>> numbers[: -1] [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]B. >>> numbers[-2:] [9, 10]C. >>> numbers[0::3] [1, 3, 5, 7, 9]D. >>> numbers[0: 2] [1, 2, 3]
题目5
单选题
ls=[1,2,3,4,5],which of the following choices could NOT remove the first element from the list
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题目6
单选题
What will be the output of the following Python code? >>> s=["pune", "mumbai", "delhi"] >>> [(w.upper(), len(w)) for w in s]
A. [('PUNE', 4), ('MUMBAI', 6), ('DELHI', 5)]B. ErrorC. ['PUNE', 4, 'MUMBAI', 6,'DELHI', 5]D. [PUNE, 4, MUMBAI, 6, DELHI, 5]
题目7
单选题
What will be the output of the following Python code? num = ['One', 'Two', 'Three'] for i, x in enumerate(num): print('{}: {}'.format(i, x),end=" ")
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题目8
单选题
What will be the output of the following Python code snippet? ['hello', 'morning'][bool('')]
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题目9
单选题
What will be the output of the following Python code? >>> l=["good", "oh!", "excellent!", "#450"] >>> [n for n in l if n.isalpha() or n.isdigit()]
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题目10
单选题
What will be the output of the following Python code? s="a@b@c@d" a=list(s.partition("@")) print(a) b=list(s.split("@")) print(b)
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