PCAP-31-03 exam

You are going to read 16 bytes from a binary file into a bytearray called data. Which lines would you use? (Select two answers)A . data = bytearray (16) bf.readinto (data)B . data = binfile.read (bytearray (16))C . bf. readinto (data = bytearray (16))D . data = bytearray (binfile.read (16))View...

The simplest possible class definition in Python can be expressed as:A . class X:B . class X: passC . class X: returnD . class X: {}View AnswerAnswer: A Explanation: Reference: https://docs.python.org/3/tutorial/classes.html

What is the expected behavior of the following code? A . it outputs 'None'B . it outputs 3C . it raises an exceptionD . it outputs 0View AnswerAnswer: B

Which of the following lambda function definitions are correct? (Select two answers)A . lambda X: NoneB . lambda: 3,1415C . lambda x: def fun(x): return xD . lambda lambda: lambda * lambdaView AnswerAnswer: A,B

Which of the following invocations are valid? (Select two answers)A . rfind("python","r")B . sorted("python")C . "python".sort ()D . "python".index("th")View AnswerAnswer: B,D

A file name like this one below says mat: (select three answers) services. cpython-36.pycA . the interpreter used to generate the file is version 3.6B . it has been produced by CPythonC . it is the 36th version of the fileD . the file comes from the services . py...

Assuming that the following inheritance set is in force, which of the following classes are declared properly? (Select two answers) A . class Class_4 (D, A) : passB . class Class_1(C,D): passC . class Class_3(A,C): passD . class Class_2(B,D): passView AnswerAnswer: A,B

Which one of the platform module functions should be used to determine the underlying platform name?A . platform.uname ()B . platform.platform ()C . platform.python_version()D . platform.processor()View AnswerAnswer: B

Assuming that the following snippet has been successfully executed, which of the equations are True? (Select two answers) A . len(a) == len (b)B . b[0] fe- 1 == a[0]C . a[0] = b[0]D . a[0] + 1 == b[0]View AnswerAnswer: A,C

Files with the suffix .pyc contain:A . Python 4 source codeB . backupsC . temporary dataD . semi-compiled Python codeView AnswerAnswer: D