Python Institute PCEP-30-02 問題練習

Question No : 1
What is the output of the following snippet?

• A.25.0
• B.The snippet will cause an execution error.
• C.17.0
• D.17

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正解:

Question No : 2
Which of the following statements are correct? (Choose two.)

• A.7 + False evaluates to False
• B.True or False evaluates to True
• C.True + 1 evaluates to 2
• D.True and False evaluates to True
• E.type('') returns <class 'bool'>

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正解:

Question No : 3
The // operator:

• A.performs integer division
• B.performs regular division
• C.does not exist

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正解:

Question No : 4
Which expression evaluates to 7?

• A.9%3+7
• B.9-3*7
• C.9//3-7
• D.9/3*7

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正解:

Question No : 5
Consider the following code.



Which statement will print True to the monitor? (Choose two.)

• A.print(languages == more_languages)
• B.print(languages is more_languages)
• C.print(more_languages is extra_languages)
• D.print(languages is extra_languages)

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正解:

Question No : 6
What is the result of the following operation?

• A.2.0
• B.11.0
• C.The operation is illegal in Python
• D.2

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正解:

Question No : 7
Which of the following is the correct order of operator precedence?

• A.Exponents - Unary positive, negative, not - Parentheses - Multiplication and Division - Addition and Subtraction - And
• B.Parentheses - Exponents - Unary positive, negative, not - Addition and Subtraction - Multiplication and Division - And
• C.Parentheses - Exponents - Unary positive, negative, not - Multiplication and Division - Addition and Subtraction - And
• D.Exponents - Unary positive, negative, not - Multiplication and Division - Addition and Subtraction - And - Parentheses

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正解:

Question No : 8
What is the expected output of the following code?
print('Mike' > 'Mikey')

• A.False
• B.True
• C.1
• D.0

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正解:

Question No : 9
What is the expected output of the following code?

• A.7
• B.The code is erroneous.
• C.6.0
• D.7.0
• E.6

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正解:

Question No : 10
The result of the following division:

• A.cannot be evaluated
• B.is equal to 1.0
• C.is equal to 1
• D.cannot be predicted

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正解:

Question No : 11
What is the expected output of the following code?
x = 2
y = 6
x += 2 3
x //= y // 2 // 3
print(x)

• A.9
• B.10
• C.0
• D.11

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正解:

Question No : 12
What is the data type of x, y, z after executing the following snippet?

• A.int, int, int
• B.x is int, y and z are invalid declarations
• C.int, str, int
• D.int, str, str

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正解:

Question No : 13
What is the expected output of the following code?

• A.1
• B.2
• C.4
• D.3

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正解:

Question No : 14
What is the expected output of the following code?

• A.123
• B.122
• C.321
• D.213

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正解:

Question No : 15
What would you insert instead of ???, so that the program prints True to the monitor?

• A.x < y
• B.x is not y
• C.x is y
• D.x != y

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正解: