Python for everybody Week 10 Final Exam Quiz Answer
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Python for everybody Week 10 Final Exam Quiz Answer
Question 1)
What will the following Python program print out:
def fred():
print “Zap”
def jane():
print “ABC”
jane()
fred()
fred()
fred()
fred()
- Zap ABC Zap
Question 2)
What would the following Python code sequence print?
str = “hello there bob”
print str[0]
- there
- h
- hello there bob
- It would fail with an index error
Question 3)
What part of a computer is actually doing the addition and subtraction in the following statement:
x = 1 + 2 – 3 * 4 / 5 + 6
- Input Devices
- Cloud
- Central Processing Unit
- Network Controller
Question 4)
Which of the following lines will never print out regardless of the value for x?
if x < 2 :
print “Below 2”
elif x < 0 :
print “Negative”
else :
print “Something else”
- Negative
- Something else
- Below 2
- All three lines will print all the time
Question 5)
What will the following code print out?
x = 12
if x <= 10:
if x > 4:
print “One”
else:
print “Two”
else:
if x >= 11:
print “Three”
else:
print “Four”
- Two
- Four
- One
- Three
Question 6)
What would the following Python print out?
abc = “With three words”
stuff = abc.split()
print len(stuff)
- 14
- 16
- [‘With’, ‘three’, ‘words’]
- [‘With three words’]
- 2
- 3
- 6
Question 7
What would the value of the following expression be:
abc = 1 + 2 – 3 * 4 + 5 – 6 / 3
- 36
- 0.9675
- 42
- -6
Question 8)
What is the primary use of the Python dictionary?
- To store key / value pairs
- To insure that all Python reserved words are properly spelled
- To store items in order (like a can of Pringles potato chips)
- To make sure that the definitions of the Python reserved words are available in different languages (French, Spanish, etc)
Question 9)
What will the following Python program print out:
def fred():
print “Zap”
def jane():
print “ABC”
jane()
fred()
jane()
- ABC Zap ABC
Question 10)
Which of these is not one of the four types of control flow used in programs:
- Conditional
- Repeated
- Store and Reuse
- Fused / Multi-Path
Question 11)
What would happen if the following Python code were executed?
st = “abc”
ix = int(st)
- The variable ix would contain 0
- The variable ix would contain -1
- The variable ix would contain None
- The program would show an error and a traceback on the second line
Question 12)
What would this code print out?
lst = []
lst.append(4)
lst.append(10)
lst.append(21)
lst.append(6)
print lst[2]
- 21
- 10
- 4
- none of the above
Question 13)
If all of the following were used in a Python expression, which would have the highest precedence (i.e. which would be evaluated first)?
- Parenthesis
- Addition
- Subtraction
- Modulo (i.e. remainder)
Question 14)
If you want your program to recover from errors that would otherwise cause a trace back and your program to stop, what language element of Python would you use?
- try / except
- when / error
- on_error / goto
- repeat / on_error
Question 15)
You develop the following program in Python:
f = int(raw_input(“Enter:”))
c = ( f – 32 ) * ( 5 / 9 )
print “Celsius”,c
And when you run it three times you get the following output:
Enter:212
Celsius 0
Enter:72
Celsius 0
Enter:15
Celsius 0
What part of the program is causing the output to always be zero?
- ( f – 32 )
- ( 5 / 9 )
- Using single character variables
- Using double quotes for all the strings
Question 16)
For the following Python program, what will it print out?
x = 0
for value in [3, 41, 12, 9, 74, 15] :
if value < 10 :
x = x + value
print x
- 41
- 12
- 15
- 9
Question 17)
What would the following Python code print out?
fline = “blah blah”
if len(fline) > 1 :
print “More than one”
if fline[0] == “h” :
print “Has an h”
print “All done”
- More than one
- All done
- More than one
- Has an h
- All done
- Has an h
- All done
- Nothing will print
Question 18)
What is the value of the following expression:
abc = 1 – 2 + 3 * 4 – 5 – 6 / 3
- 4
- 18
- 42
- 0
Question 19)
What would the following Python code print out?
stx = “hello there bob how are you”
wds = stx.split()
print wds[2]
- bob
- are
- e
- how
Question 20)
For the following Python program, what will it print out?
x = -1
for value in [3, 41, 12, 9, 74, 15] :
if value < x :
x = value
print x
- 21
- 74
- 15
- -1