INFO 132 2022
which of the following expressions evaluates ton a string equal to s = 'foo-bar-baz' a. '-'.join(s.split('-')) b. s.strip('-') c. s.upper().lower() d. '-'.join(s.partition('-')) e. s-center(15)
a. '-'.join(s.split('-')) c. s.upper().lower()
len ([[[1,2], [3],[]]]) a. 1 b. 2 c. 3 d. 4
a. 1
print(type(True)) a. <class 'bool'> b. Boolean c. <class 'builtin_function_or_method'> d. <class 'type'>
a. <class 'bool'>
What is the correct order of precedent? a. P > E > MD > AS b. P > AS > EM > D c. D > EM > P > AS d. D > AS > P > EM
a. P > E > MD > AS
in PEMDAS, P stands for... a. Parentheses b. Potency c. Precedent d. Priority
a. Parentheses
print(list(range(3, 7))) a. [3,4,5,6] b. [3,4,5,6,7] c. range(3, 7) d. ['range(3, 7)']
a. [3,4,5,6]
I the Python statement print('hello', 'world', end='!') print() is a. a function b. an expression c. a variable d. an argument
a. a function
a handel in tkinter is.... a. a function or method b. a class c. any object d. a built-in value
a. a function or method
file.close() a. always a good idea b. only allowed for append and write c. only needed for write d. required for append and write
a. always a good idea d. required for append and write
what are nested if statements? a. an if statement inside another if statement b. an id, then an elif, finally an else c. if statements that are empty d. if statements that have variables
a. an if statement inside another if statement
to read in a string from the user, we can use the element a. entry b. frame c. label. d. button
a. entry
in Python, Dictonaries are immutable a. false b. true
a. false
what is printed here? ''' navn = "Adrian" if navn == "durek": print("du er en sjaman!") elif navn == "tore tang": print ("en gammal mann!") else: print ("heisann " + navn ) ''' a. heisann adrian b. du er en sjaman1 c. en gammal mann! d. tore tang
a. heisann adrian
open(filename, 'w') a. if the file exists, it is first emptied b. if the file exists, an exception is thrown c. if the file does not exists, it will be created d. if the file does not exists, an exception is thrown
a. if the file exists, it is first emptied c. if the file does not exists, it will be created
open(filename, 'a') a. if the file exists, it will be added to the end b. if the file exists, it is first emptied c. if the file does not exists, it will be created d. if the file does not exists, an exception is thrown
a. if the file exists, it will be added to the end c. if the file does not exists, it will be created
Which of the following is NOT the strength of Tkinter? a. it provides a shiny, modern interface b. visual elements are rendered using native operating system elements c. it's ligthweight and relatively painless to use d. it's cross-platform
a. it provides a shiny, modern interface
how to create an empty list in Python? a. my_list = [ ] b. my_list = {} c. my_list = () d. my_list = list()
a. my_list = [ ] d. my_list = list()
Which variable name is most Pythonic? a. num_words b. num-words c. Num_words d. NumWords
a. num_words
.grid() or pack() a. one of them (or similar method) ,must be called before an element is displayed b. is practically optional for all elements c. grid() must be called for all elements in frames d. .pack() myst be called for all elements before they are displayed
a. one of them (or similar method) ,must be called before an element is displayed
select correct ways to create an empty dictonary a. sampleDict = {} b. sampleDict = dict() c. sampleDict = dict{}
a. sampleDict = {} b. sampleDict = dict()
Compilation errors are... a. syntax errors b. semantic errors c. logical errors d. they can be all three
a. syntax errors
In python, list is mutable a. true b. false
a. true
Python does not support a character type; a single character is treated as strings of length one. a. true b. false
a. true
What is the expression evaluated to? ''' x = 10 y = 20 x < 20 ''' a. true b. false
a. true
s = 'foot'; t = 'bar', print('barf' in 2 * (s t)) a. true b. false
a. true
strings are immutable in Python, which means a string cannot be modified a. true b. false
a. true
what is the condition evaluated to? ''' harKatt = False harHund = True if harHund or harKatt: print("kult med dyr!") ''' a. true b. false
a. true
what will be the value of 'myndig'? ''' alder = 18 if alder < 18: myndig = False else: myndig = True ''' a. true b. 18 c. false
a. true
s is a string of 50 chars. what is len(s[25:35])? a. 9 b. 10 c. 11 d. 35 d. 50
b. 10
what's the value of x after the code snippet executes? ''' x = 0 while x < 10: x = x + 1 ''' a. 11 b. 10 c. 0 d. 9
b. 10
5 // 2 a. 1 b. 2 c. 2.0 d. 2.5
b. 2
len([4,5,6,7]) a. 3 b. 4 c. 5 d. 6
b. 4
my_list = ["Hello", "Python" ]; print("-".join(my_list)) a. HelloPython- b. Hello-Python c. -HelloPython
b. Hello-Python
s = "my name is James Bond"; print(s.capitalize()) a. My Name Is James Bond b. My name is James Bond c. TypeError: unsopported operand
b. My name is James Bond
what is printed here? ''' antallKatter = 8 if antallKatter >= 20: print("eier du en kattegård?") elif antallKatter >= 5: print("det ar mage katter.") else: print("du har en god mengde katter.") ''' a. eier du en kattegård? b. det var mange katter c. du har en god mengde katter. d. 8
b. det var mange katter
Which of the following are true of Python dictionaries: a. a dictionary can contain any object type except another dictonary b. dictionaries can be nested to any depth c. items are accessed by theis position in a dictionary d. dictionaries are accessed by key
b. dictionaries can be nested to any depth d. dictionaries are accessed by key
what is the condition evaluated to? ''' harKatt = false harHund = True harBarn = False if (harHund or harKatt) and harBarn: print("sant eller usant?") ''' a. true b. false
b. false
for x in open(filename): a. a syntax error b. loops through the file line by line c. loops through the file character by character d. reads the entire file into x and goes around in a loop
b. loops through the file line by line
select the correct options to copy a list a. newList = copy(aList) b. newList = aList.copy() c. newList.copy(aList) b. newList = list(aList)
b. newList = aList.copy() d. newList = list(aList)
select the correct method to get the list of files from a directory a. os.listfiles() b. os.listdir()
b. os.listdir()
python function always returns a value a. false b. true
b. true
what of the following keywords are used to create a loop in Python? a. do b. while c. for d. foreach e. loop
b. while c. for
'1' + '2' * 3 a. '7' b. '9' c. '1222' d. '121212'
c. '1222'
in Python "3.13159" is a. ...an integer b. ...a floating point number c. ...a string d. ...a variable
c. ...a string
len([[1,2],[3],[]]) a. 1 b. 2 c. 3 d. 4
c. 3
what's the value of x after the code snippet executes? ''' x = 0 for i in range (3): x = x + i ''' a. 0 b. 2 c. 3 d. 4
c. 3
what is the output of the following function call ''' def fun1 (num): return num + 25 fun1(5) print(num) ''' a. 25 b. 5 c. NameError
c. NameError
what is the value of x: x=print("1") a. 1 b. "1" c. None d. True
c. None
find the output of the following program: ''' list1 = [1, 2, 3, 4, 5] list2 = list1 list2[0] = 0; print(list1) ''' a. [1, 2, 3, 4, 5, 0] b. [0, 1, 2, 3, 4, 5,] c. [0, 2, 3, 4, 5] d. [1, 2, 3, 4, 0]
c. [0, 2, 3, 4, 5]
what is the name of the special method CONSTRUCTOR in a Python class definition a. __new__ b. __create__ c. __innit__ d. __make__
c. __innit__
5 cannot be a. a literal b. an object c. a variable name d. a value
c. a variable name
Overloading in Python code means that... a. the code requires too many resources b. the code is too large and difficult to read c. an operator has different meanings in different contexts d. a variable is assigned to many different values
c. an operator har different meanings in different contexts
continue in a python loop a. exit the loop immediately b. complete the round and complete the loop c. ends the round immediately but continues the loop d. complete the round and continue the loop
c. ends the round immediately but continues the loop
which is NOT a reserved word in Python? a. del b. False c. float d. None
c. float
which of these is NOT a Boolean value? a. true b. false c. maybe d. if
c. maybe d. if
what is most correct in a python class definition a. functions and attributes b. functions and variables c. methods and attributes d. methods and variables
c. methods and attributes
print(range(3, 7)) a. [3,4,5,6] b. [3,4,5,6,7] c. range(3, 7) d. ['range(3, 7)']
c. range(3, 7)
which method is used to read file line by line a. read(1) b. readlines(1) c. readline() d. line()
c. readline()
Which type is returned by: input ('enter age:') a. float b. int c. str d. depends on input
c. str
The three central terms in event-driven programming are: a. object, variable and value b. monito, keyboard and mouse c. widgets, event and handler d. windows frames and elements
c. widgets, event and handler
When reading a file using the file object, what method is best for reading the entire file into a single string? a. .readline() b. .read_file_to_str() c. .readlines() d. .read()
d. .read()
what is the output of ''' def adder(x, y): print x + y print(adder("1", "2")) ''' a. y + x b.1 c. 3 d. 12
d. 12
print(type(bool)) a. 'bool' b. Boolean c. <class 'builtin_function_or_method'> d. <class 'type'>
d. <class 'type'>
which of these symbols is NOT a comparison operator? a. != b. == c. <= d. ?
d. ?
{'INFO100': 'C', 'INFO104': 'B', 'ECON100': 'B'} ['1'] a. 'B' b. ('INFO104', 'B') c. 'INFO104' d. Key error: '1'
d. Key error: '1'
{'INFO100': 'C', 'INFO104': 'B', 'ECON100': 'B'} ['B'] a. 'B' b. ('INFO104', 'B') c. 'INFO104' d. Key error: 'B'
d. Key error: 'B'
what is the result of: int('2.7182') a. 2 b. 2.7182 c. 3 d. ValueError:...
d. ValueError:...
Which is NOT a GUI element (widget) in tkinter? a. Button b. Frame c. Label d. Variable
d. Variable
I the Python statement print('hello', 'world', end='!') end=is a. an argument b. a variable c. a default value d. a named argument (an option)
d. a named argument (an option)
The + sign in Python code is.... a. a reserved word b. a variable c. an operand d. an operator
d. an operator
continue and break a. have nothing to do with Python loops b. can only be used in for-loops c. can only be used in while-loops d. can be used for both for-and while-loops
d. can be used for both for-and while-loops
open(filename) or open(filename, 'r') a. if the file exists, it will be overwritten b. if the file exists, an exception is thrown c. if the file does not exist, it will be created d. if the file does not exist, an exception is thrown
d. if the file does not exist, an exception is thrown
a Python variable cannot contain a. a function b. an object c. a value d. it can contain everything
d. it can contain everything
file.read() a. is false without a argument b. reads 0 characters and returns " c. reads and returns the rest of the line d. reads and returns the rest of the file
d. reads and returns the rest of the file
in Python, namespaces keep order of a. where we are in the program b. semantic errors c. syntax errors d. variable values
d. variable values
