PCAP-31-02 試験問題と解答 - 模擬練習 - 練習問題・模擬試験

Question No : 1
If you need a function that does nothing, what would you use instead of XXX? (Select two answers)

A.pass
B.return
C.exit
D.None

正解:
Explanation:
Reference: https://www.pythoncentral.io/python-null-equivalent-none/

Question No : 2
What is the expected behavior of the following code?

It will:

A.print 4321
B.print <generator object f at (some hex digits)>
C.cause a runtime exception
D.print 1234

正解:
Explanation:

Question No : 3
What is the expected behavior of the following snippet?

It will:

A.cause a runtime exception on line 02
B.cause a runtime exception on line 01
C.cause a runtime exception on line 03
D.print 3

正解:
Explanation:

Question No : 4
What is the expected output of the following code?

A.21
B.2
C.3
D.12

正解:
Explanation:

Question No : 5
What is the expected output of the following code?

A.abcef
B.The program will cause a runtime exception/error
C.acdef
D.abdef

正解:
Explanation:

Question No : 6
What can you do if you don’t like a long package path like this one?

A.you can make an alias for the name using the alias keyword
B.nothing, you need to come to terms with it
C.you can shorten it to alpha . zeta and Python will find the proper connection
D.you can make an alias for the name using the as keyword

正解:
Explanation:
Reference: https://stackoverflow.com/questions/706595/can-you-define-aliases-for-imported-modules-inpython

Question No : 7
What is the expected behavior of the following snippet?

It will:

A.cause a runtime exception
B.print 1
C.print 0, [1]
D.print [1]

正解:
Explanation:

Question No : 8
A file name like this one below says that: (Select three answers)
services, cpython 36.pyc

A.the interpreter used to generate the file is version 3.6
B.it has been produced by CPython
C.it is the 36th version of the file
D.the file comes from the services.py source file

正解:

Question No : 9
Select the valid fun () invocations: (Select two answers)

A.fun (b=1)
B.fun (a=0)
C.fun (b=1, 0)
D.fun (1)

正解:

Question No : 10
Can a module run like regular code?

A.yes, and it can differentiate its behavior between the regular launch and import
B.it depends on the Python version
C.yes, but in cannot differentiate its behavior between the regular launch and import
D.no, it is not possible; a module can be imported, not run

正解:
Explanation:
You write a module (a .py file) where it can be executed directly. Alternatively, it can also be imported and used in another module. By doing the main check, you can have that code only execute when you want to run the module as a program and not have it execute when someone just wants to import your module and call your functions themselves.
Reference: https://developer.rhino3d.com/guides/rhinopython/python-remote-local-module/

Question No : 11
You need data which can act as a simple telephone directory. You can obtain it with the following clauses (Select 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:

Question No : 12
What would you used instead of XXX if you want to check weather a certain ‘key’ exists in a dictionary called dict? (Select two answers)

A.‘key’ in dict
B.dict [‘key’] != None
C.dict.exists (‘key’)
D.‘key’ in dict.keys ( )

正解:
Explanation:
Reference: https://thispointer.com/python-how-to-check-if-a-key-exists-in-dictionary/

Question No : 13
How many elements will the list2 list contain after execution of the following snippet?

A.zero
B.five
C.seven
D.three

正解:
Explanation:

Question No : 14
What is the expected output of the following snippet?

A.abc
B.The code will cause a runtime exception
C.ABC
D.123

正解:
Explanation:

Question No : 15
What is the expected output of the following snippet?

A.1
B.4
C.2
D.3

正解:
Explanation:

Python Institute PCAP-31-02 問題練習