Python Institute PCAP-31-03練習テストPDF試験材料
PCAP-31-03解答PCAP-31-03無料サンプルには全てリアル試験合格させます
質問 # 29
Which of the following expression evaluate to True? (Select two answers) A)
B)
C)
D)
- A. Option B
- B. Option A
- C. Option C
- D. Option D
正解：C、D
質問 # 30
Which of the following invocations are valid? (Select two answers)
- A. "python".index("th")
- B. sorted("python")
- C. "python".sort ()
- D. rfind("python","r")
正解：A、C
質問 # 31
What is the expected behavior of the following snippet?
It will:
- A. print [1J
- B. cause a runtime exception
- C. print 1
- D. print 0 , [1]
正解：B
解説：
質問 # 32
What is the expected behavior of the following snippet?
It will:
- A. cause a runtime exception on line 01
- B. cause a runtime exception on line 02
- C. cause a runtime exception on line 03
- D. print3
正解：D
解説：
質問 # 33
Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers)
- A. a is b
- B. b( ) > 2
- C. a is not None
- D. a() > 2
正解：B、C、D
質問 # 34
Assuming that the code below has been placed inside a file named code.py and executed successfully which of the following expressions evaluate to True? (Select two answers)
- A. str (Object) = 'Object1
- B. __name__== '__main__'
- C. len (ClassB.__bases__) == 2
- D. Class A.__module__ == ' main__'
正解：C、D
質問 # 35
What is the expected output of the following code?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
解説：
質問 # 36
Assuming that the following inheritance set is in force, which of the following classes are declared properly? (Select two answers)
- A. class Class_2(B,D): pass
- B. class Class_1(C,D): pass
- C. class Class_4 (D, A) : pass
- D. class Class_3(A,C): pass
正解：B、C
質問 # 37
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)
- A. self.put (get ( ) + vaI)
- B. self.put (self.prop + vaI)
- C. self.put (self.get ( ) + vaI)
- D. put (self.prop + vaI)
正解：B、C
質問 # 38
What is the expected behavior of the following code?
- A. it outputs 3
- B. it outputs 2
- C. it outputs 1
- D. the code is erroneous and it will not execute
正解：A
質問 # 39
What is the expected behavior of the following code?
- A. it raises an exception
- B. it outputs 2
- C. it outputs 1
- D. it outputs 0
正解：A
質問 # 40
Assuming that the following piece of code has been executed successfully, which of the expressions evaluate to True? (Choose two.)
- A. obj_a is obj_aa
- B. B.VarA == 1
- C. A.VarA == 1
- D. isinstance (obj_b,A)
正解：A、D
質問 # 41
Can a module run like regular code?
- A. it depends on the Python version
- B. yes, but it cannot differentiate its behavior between the regular launch and import
- C. no. it is not possible; a module can be imported, not run
- D. yes, and it can differentiate its behavior between the regular launch and import
正解：D
質問 # 42
What is the expected behavior of the following code?
- A. it outputs 6
- B. it outputs 3
- C. it raises an exception
- D. it outputs 1
正解：A
質問 # 43
What is the expected output of the following code if there is no file named non existing_file inside the working directory?
- A. 1 3
- B. 1 2 3
- C. 2 2 3
- D. 2 2
正解：C
質問 # 44
An operator able to perform bitwise shifts is coded as (select two answers)
- A. <<
- B. ++
- C. >>
- D. - -
正解：A、C
質問 # 45
Which of the following statements are true? (Select two answers)
- A. ASCII is synonymous with UTF-8
- B. a code point is a number assigned to a given character
- C. \e is an escape sequence used to mark the end of lines
- D. II in ASCII stands for Information Interchange
正解：A、B
質問 # 46
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. 'key' in diet.keys()
- C. 'key' in diet
- D. diet.exists('key')
正解：A、B
質問 # 47
What is the expected output of the following snippet?
- A. True upper
- B. False lower
- C. False upper
- D. True lower
正解：D
質問 # 48
You need data which can act as a simple telephone directory. You can obtain it with the following clauses (choose two relevant variants; assume that no other items have been created before)
- A. dir={'Mom':'5551234567', * Dad':'5557654321'}
- B. dir={'Mom':5551234567, 'Dad':5557654321>
- C. dir={Mom:'5551234567', Dad:'5557654321'}
- D. dir={Mom:5551234567, Dad:5557654321}
正解：C、D
質問 # 49
What is true about Python packages? (Select two answers)
- A. a package contents can be stored and distributed as an mp3 file
- B. a code designed to initialize a package's state should be placed inside a file named init.py
- C. _pycache_is a folder that stores semi-completed Python modules
- D. the sys.path variable is a list of strings
正解：B、C
質問 # 50
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