[2022年08月10日] 完全版には更新されたのはPython Institute PCAP（PCAP-31-03）認定サンプル問題 [Q33-Q56]

[2022年08月10日] 完全版には更新されたのはPython Institute PCAP（PCAP-31-03）認定サンプル問題

最新のPython Institute PCAP-31-03リアル試験問題集PDF

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	Concatenating, multiplying, comparing (against strings and numbers) ASCII, UNICODE, UTF-8, codepoints, escape sequences
トピック 2	I O Operations: I O modes, predefined streams, handles; text binary modes inheritance: single, multiple, isinstance(), overriding, not is and is operators
トピック 3	Event classes, except E as e, arg property import variants; advanced qualifiying for nested modules
トピック 4	Inheritance: single, multiple, isinstance(), overriding, not is and is operators
トピック 5	Instrospection: hasattr() (objects vs classes), __name__, __module__, __bases__ properties
トピック 6	Private components (instance vs classes), name mangling closures: meaning, defining, and using closures

質問 33
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, 1] ? (Select two answers)

A. self .put (self.store[1])
B. put self.store(1])
C. self .put self.get () [-1])
D. self put stire(1])

正解: A,D

質問 34
Assuming that the following snippet has been successfully executed, which of the equations are False? (Select two answers)

A. a[0] - 1 == b[0]
B. a[0] = b[0]
C. len(a) == len(b)
D. b[0] - 1 == a[0]

正解: B,D

解説:
>>> print(len(a)==len(b))
True
>>> print(a[0]-1==b[0])
True
>>> print(a[0]==b[0])
False
>>> print(b[0]-1 == a[0])
False

質問 35
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. 1
C. 2
D. an errno value corresponding to file not found

正解: A

質問 36
Assuming that the following code has been executed successfully, selected the expression which evaluate to True (Select two answers)

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

正解: B,C

質問 37
Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Select two answers) string = 'python' [::2] string = string[-1] + string[-2]

A. string is None
B. string[0] == 'o'
C. len (string] == 3
D. string[0] == string[-1]

正解: B

質問 38
Assuming that the following inheritance set is in force, which of the following classes are declared properly?
(Select two answers)

A. class Class_1(C,D): pass
B. class Class_4 (D, A) : pass
C. class Class_3(A,C): pass
D. class Class_2(B,D): pass

正解: A,B

質問 39
Assuming that the code below has been executed successfully, which of the following expressions evaluate to True? (Select two answers)

A. 'var' in Object.__diet__
B. 'var1 in Class, diet
C. 'prop' in Class.__diet
D. len(Object.__diet__) == 1

正解: D

質問 40
A two-parameter lambda function raising its first parameter to the power of the second parameter should be declared as:

A. def lambda (x, y): return x ** y
B. lambda (x, y): x ** y
C. lambda (x, y) = x ** y
D. lambda x, y: x ** y

正解: D

質問 41
What is the expected output of the following code if the file named existing_text_file is a non-zero length text file located inside the working directory?

A. 0
B. the number of lines contained inside the file
C. the length of the last line from the file
D. the length of the first line from the file

正解: A

質問 42
Assuming that the following piece of code has been executed successfully, which of the expressions evaluate to True? (Select two answers)

A. obj_b.prop_a == 3
B. B.VarA == 3
C. hasattr(obj_b, 'prop_aa')
D. isinstance(obj_c,A)

正解: C,D

質問 43
Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Select two answers) string = 'SKY' (:: -1) string = string (-1)

A. string is None
B. string (0) == string (-1
C. len (string) == 1
D. string (0) == 'Y'

正解: C,D

質問 44
What is true about Python packages? (Select two answers)

A. a package can be stored as a tree of sub-directories/sub-folders
B. __pycache__is the name of a built-in variable
C. hashbang is the name of a built-in Python function
D. the__name__variable content determines the way in which the module was run

正解: A,B

質問 45
What is true about Python class constructors? (Select two answers)

A. the constructor's first parameter identifies an object currently being created
B. the constructor can be invoked directly under strictly defined circumstances
C. the constructor cannot use the default values of the parameters
D. super-class constructor is invoked implicitly during constructor execution

正解: A,B

質問 46
Which of the following lines of code will work flawlessly when put independently inside the inc ( ) method in order to make the snippet's output equal to 3? (Select two answers)