Python Institute PCAP-31-03試験情報と無料練習テストはこちら [Q46-Q71]

Python Institute PCAP-31-03試験情報と無料練習テストはこちら

合格させるPython Institute PCAP-31-03プレミアムお試しセットテストエンジンPDFで無料問題集セット

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	Ideas: class, object, property, method, encapsulation, inheritance, grammar vs class, superclass, subclass
トピック 2	Private components (instance vs classes), name mangling closures: meaning, defining, and using closures
トピック 3	Inheritance: single, multiple, isinstance(), overriding, not is and is operators
トピック 4	Event classes, except E as e, arg property import variants; advanced qualifiying for nested modules
トピック 5	Instrospection: hasattr() (objects vs classes), __name__, __module__, __bases__ properties
トピック 6	Math: ceil(), floor(), trunc(), factorial(), hypot(), sqrt(); random: random(), seed(), choice(), sample() indexing, slicing, immutability

質問 46
What is the expected behavior of the following code?

A. it outputs 1
B. the code is erroneous and it will not execute
C. it outputs 2
D. it outputs 3

正解: C

質問 47
What is the expected output of the following code?

A. 0
B. an exception is raised
C. 1
D. 2

正解: D

質問 48
What is the expected behavior of the following code?
x = 8 ** (1/3)
y = 2. if x < 2.3 else 3.
print(y)

A. it outputs 3.0
B. it outputs 2. 5
C. it outputs 2.0
D. the code is erroneus and it will not execute

正解: C

質問 49
What 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. self put stire(1])
C. put self.store(1])
D. self .put self.get () [-1])

正解: A,B

質問 50
What is the expected output of the following code?

A. 0
B. 1
C. 2
D. 3

正解: B

解説:

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

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

正解: C

質問 52
What is the expected behavior of the following code?
x - 3 % 1
y -1 if x > else 0
print (y)

A. it outputs -1
B. it outputs 1
C. it outputs 0
D. the code is erroneous and it will not execute

正解: C

質問 53
What is the expected output of the following snippet?

A. 0
B. abc
C. ABC
D. The code will cause a runtime exception

正解: D

解説:

質問 54
Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers)

A. a() > 2
B. b( ) > 2
C. a is not None
D. a is b

正解: A,B,C

質問 55
There is a stream named s open for writing. What option will you select to write a line to the stream''

A. s.writeline("Hello")
B. write(s, "Hello")
C. s.writeln("Hello")
D. s.write("Hello\n")

正解: D

質問 56
The first parameter of each method:

A. is set by the first argument's value
B. is always set to None
C. is set to a unique random value
D. holds a reference to the currentlv processed object

正解: D

解説:
The first argument of every class method, including init, is always a reference to the current instance of the class. By convention, this argument is always named self. In the init method, self refers to the newly created object; in other class methods, it refers to the instance whose method was called

質問 57
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. self put stire(1])
C. put self.store(1])
D. self .put self.get () [-1])

正解: A,B

質問 58
What is the expected behavior of the following code?

A. it outputs 2
B. it outputs 1
C. the code is erroneous and it will not execute
D. it outputs 3

正解: B

質問 59
Assuming that the following snippet has been successfully executed, which of the equations are False? (Select two answers)

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

正解: C,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 60
With regards to the directory structure below, select the proper forms of the directives in order to import module_ a. (Select two answers)

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

正解: A,C

質問 61
Which of the following statements are true? (Select two answers)

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

正解: C,D

質問 62
What is the expected behavior of the following code?

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

正解: A

質問 63
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 64
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]