PCAP-31-03

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 . 'key' in dietB . diet['key'] != NoneC . diet.exists('key')D . 'key' in diet.keys()View AnswerAnswer: B,D

What is the expected behavior of the following code? A . it outputs 6B . it outputs 1C . it outputs 3D . it raises an exceptionView AnswerAnswer: A

What is the expected output of the following code if existing_file is the name of a file located inside the working directory? A . 1 2B . 1 2 3C . 1 3D . 2 3View AnswerAnswer: C

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...

A Python module named pymod.py contains a variable named pyvar. Which of the following snippets will let you access the variable? (Select two answers)A . import pyvar from pymod pyvar = 1B . from pymod import pyvar = 1C . from pymod import pyvar pyvar ()D . import pymod pymod.pyvar...

What is the expected behavior of the following code? A . it outputs errorB . it outputs list assignment index out of rangeC . the code is erroneous and it will not executeD . it outputs <class ' IndexError’ >View AnswerAnswer: B

What is the expected output of the following code if the file named existing_text_file is a non-zero length text file located inside the working directory? A . the length of the first line from the fileB . -1C . the number of lines contained inside the fileD . the length...

What can you deduce from the following statement? (Select two answers) str = open('file.txt', "rt")A . str is a string read in from the file named file.txtB . a newlina character translation will be performed during the readsC . if file. txt does not exist, it will be createdD ....

Which of the following expression evaluate to True? (Select two answers)A . 'in not' in 'not'B . 'in' in 'Thames'C . 't' . upper ( ) in 'Thames'D . 'in' in 'in'View AnswerAnswer: C,D

What will be the value of the i variable when the while e loop finishes its execution? A . 1B . 0C . 2D . the variable becomes unavailableView AnswerAnswer: A