[2022年08月31日] 最新Python Institute PCAP PCAP-31-03実際の無料試験解答 [Q43-Q65]

[2022年08月31日] 最新Python Institute PCAP PCAP-31-03実際の無料試験解答

Python Institute PCAP PCAP-31-03問題集最新の練習テスト145独特な解答

Python Institute PCAP-31-03 認定試験の出題範囲：

トピック	出題範囲
トピック 1	リスト内包表記：演算子の場合、リスト内包表記を使用モジュールパッケージを検索します。ネストされたパッケージとディレクトリツリー
トピック 2	アイデア：クラス、オブジェクト、プロパティ、メソッド、カプセル化、継承、文法とクラス、スーパークラス、サブクラス
トピック 3	数学：ceil（）、floor（）、trunc（）、factorial（）、hypot（）、sqrt（）; ランダム：random（）、seed（）、choice（）、sample（） indexing、slicing、immutability
トピック 4	プライベートコンポーネント（インスタンスとクラス）、名前マングリングクロージャ：クロージャの意味、定義、および使用
トピック 5	I O操作：I Oモード、事前定義されたストリーム、ハンドル。テキストバイナリモード継承：単一、複数、isinstance（）、オーバーライド、isおよびis演算子
トピック 6	継承：単一、複数、isinstance（）、オーバーライド、isではなくis演算子
トピック 7	連結、乗算、比較（文字列と数値に対して） ASCII、UNICODE、UTF-8、コードポイント、エスケープシーケンス
トピック 8	E as e、arg property importvariantsを除くイベントクラス。ネストされたモジュールの高度な認定

質問 43
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. an errno value corresponding to file not found
B. 0
C. 1
D. 2

正解: B

質問 44
The following class hierarchy is given. What is the expected out of the code?

A. AA
B. BB
C. CC
D. BC

正解: D

質問 45
If you want to transform a string into a list of words, what invocation would you use? (Select two answers) Expected output:

A. s.split ()
B. split (s)
C. split (s, ",")
D. s.split (",")

正解: A,D

質問 46
Which of the following expression evaluate to True? (Select two answers)

A. 'in not' in 'not'
B. 'in' in 'Thames'
C. 'in' in 'in'
D. 't' . upper ( ) in 'Thames'

正解: C,D

質問 47
Which of the following sentences are true? (Select two answers)

A. lists may not be stored inside tuples
B. tuples may not be stored inside tuples
C. lists may be stored inside lists
D. tuples may be stored inside lists

正解: C,D

質問 48
What is the expected behavior of the following code?

A. it outputs 2. 0
B. the code is erroneous and it will not execute
C. it outputs 0. 0
D. it outputs -2

正解: D

質問 49
With regards to the directory structure below, select the proper forms of the directives in order to import module_a. (Select two answers)

A. import pypack.module_a
B. import module_a
C. import module_a from pypack
D. from pypack import module_a

正解: A,D

質問 50
Which of the following literals reflect the value given as 3 4. 2 3 (select two answers)

A. 3423e-2
B. .3423e-2
C. 3423e2
D. .3423e2

正解: A,D

解説:

質問 51
What is the expected output of the following code?

A. False
B. True
C. 0
D. None

正解: B

質問 52
What is the expected behavior of the following code?

A. it outputs 6
B. it raises an exception
C. it outputs 321
D. It outputs 123

正解: A

質問 53
What is the expected output of the following code if existing_file is the name of a file located inside the working directory?

A. 2 3
B. 1 2
C. 1 2 3
D. 1 3

正解: D

質問 54
What is true about Python class constructors? (Choose two.)

A. the constructor must have at least one parameter
B. the constructor must return a value other than None
C. the constructor is a method named __init__
D. there can be more than one constructor in a Python class

正解: A,C

質問 55
Assuming that the following code has been executed successfully, selected the expression which evaluate to True (Select two answers)

A. b ( ) == 4
B. a is not None
C. a ! = b
D. a ( ) == 4

正解: B,C

質問 56
What is the expected behavior of the following code?

A. it outputs 'None'
B. it outputs 0
C. it outputs 3
D. it raises an exception

正解: B

質問 57
What is the expected output of the following code?

A. a
B. b
C. c
D. an exception is raised

正解: C

質問 58
Which of the listed actions can be applied to the following tuple? (Select two answers)

A. tup [:]
B. tup [0]
C. tup.append (0)
D. del tup

正解: A,D

質問 59
What is true about the following snippet? (Select two answers)

A. the code will raise an unhandled exception
B. the string what a pity will be seen
C. thestring it's niceto see youwill be seen
D. the siring I feel fine 'will be seen

正解: B,D

質問 60
What is the expected behavior of the following code?

A. it outputs 2
B. it raises an exception
C. it outputs 0
D. it outputs 1

正解: B

質問 61
A method for passing the arguments used by the following snippet is called:

A. keyword
B. sequential
C. positional
D. named

正解: C

質問 62
Which of the following statements are true? (Select two answers)

A. instd, outstd, errstd are the names of pre-opened streams
B. if invoking open () fails, an exception is raised
C. open () requires a second argument
D. open () is a function which returns an object that represents a physical file

正解: B,D

質問 63
What is the expected behavior of the following code?