JPNTest PCAP-31-03問題集でリアル試験問題でテストエンジン問題集でトレーニング
Python Institute PCAP-31-03テスト問題集とオンライン試験エンジン
質問 # 69
Which of the following sentences are true? (Select two answers)
- A. tuples may not be stored inside tuples
- B. lists may be stored inside lists
- C. lists may not be stored inside tuples
- D. tuples may be stored inside lists
正解：B、D
質問 # 70
A class constructor (Select two answers)
- A. can be invoked directly from any of the subclasses
- B. can be invoked directly from any of the superclasses
- C. can return a value
- D. cannot be invoked directly from inside the class
正解：A、D
質問 # 71
What can you do if you don't like a long package path tike this one0 import alpha.beta.gamma.delta.epsiIon.zeta
- A. you can make an alias for the name using the a 1 i a s keyword
- B. you can make an alias for the name using die as keyword
- C. you can shorten it to alpha. zeta and Python will find the proper connection
- D. nothing; you need to come to terms with it
正解：B
質問 # 72
What is true about Python packages? (Select two answers)
- A. hashbang is the name of a built-in Python function
- B. the__name__variable content determines the way in which the module was run
- C. a package can be stored as a tree of sub-directories/sub-folders
- D. __pycache__is the name of a built-in variable
正解：C、D
質問 # 73
What is the expected behavior of the following code?
- A. it outputs 2
- B. the code is erroneous and it will not execute
- C. it outputs :
- D. it outputs 3
正解：B
質問 # 74
What is the output of the following piece of code?
- A. ant'bat'camel
- B. antbatcamel
- C. ant bat camel
- D. ant"bat"camel
正解：D
解説：
質問 # 75
What is the expected out of the following code of the file named zero_length_existing_file is a zero-length file located inside the working directory?
- A. 0
- B. an errno value corresponding to file not found
- C. 1
- D. 2
正解：D
質問 # 76
How many elements will the list2 list contain after execution of the following snippet?
list1 = [False for i in range (1, 10) ]
list2 = list1 [-1:1:-1]
- A. three
- B. seven
- C. five
- D. zero
正解：B
解説：
質問 # 77
What is true about Object-Oriented Programming in Python? (Select two answers)
- A. inheritance is the relation between a superclass and a subclass
- B. an object is a recipe for a class
- C. encapsulation allows you to protect some data from uncontrolled access
- D. the arrows on a class diagram are always directed from a superclass towards its subclass
正解：C、D
質問 # 78
What is the expected behavior of the following code?
- A. it raises an exception
- B. it outputs 0
- C. it outputs 2
- D. it outputs 1
正解：D
質問 # 79
Which of the following expressions evaluate to True? (Select two answers)
- A. 'phd' in 'alpha'
- B. 'True' not in 'False'
- C. str(1-1) in '0123456739'[:2]
- D. 'deb' not in 'abcde' [::-1]
正解：B、D
質問 # 80
What will the value of the i variable be when the following loop finishes its execution?
- A. 0
- B. 1
- C. the variable becomes unavailable
- D. 2
正解：D
解説：
Pass only means there are no statements to execute it does not means the variable is unavailable. Try a Print statement Print(i) after the For Loop and there is your result.
質問 # 81
Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers)
- A. a() > 2
- B. a is not None
- C. b( ) > 2
- D. a is b
正解：A、B、C
質問 # 82
Which of the following expression evaluate to True? (Select two answers) A)
B)
C)
D)
- A. Option B
- B. Option A
- C. Option D
- D. Option C
正解：C、D
質問 # 83
What is the expected behavior of the following code?
- A. it outputs 0
- B. it outputs 2
- C. it outputs 1
- D. it raises an exception
正解：D
質問 # 84
What is the expected behavior of the following code?
- A. it outputs error
- B. it outputs list assignment index out of range
- C. the code is erroneous and it will not execute
- D. it outputs <class 'IndexError'>
正解：B
質問 # 85
What is the expected behavior of the following code?
x = 8 ** (1/3)
y = 2. if x < 2.3 else 3.
print(y)
- A. the code is erroneus and it will not execute
- B. it outputs 3.0
- C. it outputs 2. 5
- D. it outputs 2.0
正解：D
質問 # 86
Is it possible to safely check if a class/object has a certain attribute?
- A. yes, by using the hassattr ( ) function
- B. yes, by using the hasattr ( ) method
- C. yes, by using the hasattr attribute
- D. no, it is not possible
正解：B
質問 # 87
Which of the following lines of code will work flawlessly when put independently inside the add_new () method in order to make the snippet's output equal to [0, 1, 21 ? (Select two answers)
- A. queue.append(self.get last () + 1)
- B. self.queue.append(self.get last() +1)
- C. self.queue.append(self.queue[+1]
- D. self.queue.append(get_Iast() + 1)
正解：B
質問 # 88
Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers)
- A. a() > 2
- B. a is not None
- C. b( ) > 2
- D. a is b
正解：A、B、C
質問 # 89
Which of the following statements are true? (Select two answers)
- A. UTF-8 is one of the ways of representing UNICODE code points.
- B. an escape sequence can be recognized by the # sign put in front of it.
- C. a code point is a point inside the code when execution stops immediately
- D. ASCII is the name of a character coding standard
正解：C、D
質問 # 90
What would you use instead of XXX if you want to check whether a certain ' key' exists in a dictionary called diet? (Select two answers) II if XXX:
print("Key exists")
- A. diet['key'] != None
- B. diet.exists('key')
- C. 'key' in diet
- D. 'key' in diet.keys()
正解：C、D
質問 # 91
What is the expected output of the following snippet?
- A. False lower
- B. True lower
- C. False upper
- D. True upper
正解：B
質問 # 92
What is the expected output of the following code?
- A. an exception is raised
- B. 0
- C. 1
- D. 2
正解：B
質問 # 93
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