PCAP-31-03 Online Practice Questions and Answers

Files with the suffix .pyc contain:

A. Python 4 source code

B. backups

C. temporary data

D. semi-compiled Python code

Which of the following lambda function definitions are correct? (Select two answers)

A. lambda X : None

B. lambda : 3,1415

C. lambda x : def fun(x): return x

D. lambda lambda: lambda * lambda

Which of the following expressions evaluate to True? (Select two answers)

A. 121 + 1 != '!' + 2 * '2'

B. 'AbC' lower () < 'AB'

C. '1' + '1' + '1' < '1' * 3'

D. '3.14' != str(3.1415)

What is the expected output of the following code?

A. True

B. 0

C. False

D. None

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

A. the__name__variable always contains the name of a package

B. a package is a group of related modules

C. the pyc extension is used to mark semi-compiled Python packages

D. a package is a single file whose name ends with the pa extension

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

A. the sys.path variable is a list of strings

B. _pycache_is a folder that stores semi-completed Python modules

C. a package contents can be stored and distributed as an mp3 file

D. a code designed to initialize a package's state should be placed inside a file named init.py

What is the expected behavior of the following code?

A. it outputs 'None'

B. it outputs 3

C. it raises an exception

D. it outputs 0

Which of the following expressions evaluate to True? (Select two answers)

A. 121 +1 == int ('1' + 2 * '2')

B. float ('3.14') == str('3.'+'14')

C. 'xyz'.lower() 'XY'

D. '8' + '8' !=2 * '8'

What can you do if you don't like a long package path tike this one0 import alpha.beta.gamma.delta.epsiIon.zeta

A. you can make an alias for the name using the a 1 i a s 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 die as keyword

What is the expected output of the following code?

def foo(x,y):

return y(x) + (x+1) print (Foo(1,lambda x: x*x))

A. 3

B. 5

C. 4

D. an exception is raised