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单选题 If a={5,6,7,8}, which of the following statements is false
学科：Python程序设计（双语）
时间：2025-04-27 07:01:01
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题目1单选题
Which of the following are truthyA. NoneB. FalseC. 0D. 0.000001E. []
题目2单选题
Which of the following is an invalid variableA. _B. fooC. my_string_1D. 1st_string
题目3单选题
What will be the output of the following Python code? class change: def __init__(self, x, y, z): self.a = x + y + z x = change(1,2,3) y = getattr(x, 'a') setattr(x, 'a', y+1) print(x.a)A. 0B. ErrorC. 7D. 6
题目4单选题
What will be the output of the following Python code? a=[1,2,3] b=a.append(4) print(a) print(b)A. [1,2,3] [1,2,3,4]B. Syntax errorC. [1, 2, 3, 4] NoneD. [1,2,3,4] [1,2,3,4]
题目5单选题
If a={5,6,7,8}, which of the following statements is falseA. a[2]=45B. print(len(a))C. a.remove(5)D. print(min(a))
题目6单选题
What will be the output of the following Python code? def foo(fname, val): print(fname(val)) foo(max, [1, 2, 3]) foo(min, [1, 2, 3])A. none of the mentionedB. errorC. 3 1D. 1 3
题目7单选题
Suppose t = (1, 2, 4, 3), which of the following is incorrectA. print(t[3])B. print(len(t))C. t[3] = 45D. print(max(t))
题目8单选题
Which of the following is not a valid way to define a dictionary in PythonA. d = {'foo': 100, 'bar': 200, 'baz': 300}B. d = dict([ ('foo', 100), ('bar', 200), ('baz', 300) ])C. d = {} d['foo'] = 100 d['bar'] = 200 d['baz'] = 300D. d = dict(foo=100, bar=200, baz=300)E. d = { ('foo', 100), ('bar', 200), ('baz', 300) }
题目9单选题
ls=[[1,2,3],[4,5,6],[7,8,9]], the value of ls[1][1] isA. 5B. 9C. 1D. error
题目10单选题
What will be the output of the following Python code snippet? >>> bool("False") >>> bool()A. True TrueB. True FalseC. False TrueD. False False
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