Capstone: Retrieving, Processing, and Visualizing Data with Python Quiz Answers

Week 01: Python for Everybody – A Review

Q1. What is the most common Unicode encoding when moving data between systems?

• UTF-64
• UTF-128
• UTF-16
• UTF-8
• UTF-32

Q2. What is the decimal (Base-10) numeric value for the upper case letter “G” in the ASCII character set?

• 2048
• 7
• 1771
• 17
• 71

Q3. What word does the following sequence of numbers represent in ASCII:

108, 105, 115, 116

• open
• lost
• http
• list
• fuss

Q4. How are strings stored internally in Python 3?

• EBCDIC
• UTF-16
• Unicode
• Latin
• ASCII

Q5. When reading data across the network (i.e. from a URL) in Python 3, what method must be used to convert it to the internal format used by strings?

• convert()
• encode()
• decode()
• more()
• msub()

Q6. Which of the following lines will never print out regardless of the value of “x”?

if x < 2 :
print("Below 2")
elif x < 0 :
print("Negative")
else :
print("Something else")

• Below 2
• Something else
• Negative
• All the lines will print out

Q7. Which of the following lines will never print out regardless of the value for x?

if x < 2 :
print("Below 2")
elif x < 20 :
print("Below 20")
elif x < 10 :
print("Below 10")
else :
print("Something else")

• Below 10
• Below 20
• Something else
• Below 2

Q8. What would the following Python code sequence print out?

zap = "hello there bob"
print(zap[4])

• l
• e
• You would get an out-of-range error and the program would fail
• hello
• o
• zap

Q9. Which of the following lines of Python code contains a syntax error?

x = 12
if x < 5:
print("smaller")
else:
print("bigger")
print("all done")

Q10. What will the following Python program print out?

def fred():
print("Zap")
def jane():
print("ABC")
jane()
fred()
jane()

• Zap Zap Zap
• Zap ABC jane fred jane
• ABC Zap jane
• Zap ABC Zap
• ABC Zap ABC

Q11. Where in the computer is a variable such as “X” stored?

x = 123

• Central processing unit
• Secondary Memory
• Output Devices
• Input Devices
• Main Memory

Q12. What is the primary use of the Python dictionary?

• To make sure that the definitions of the Python reserved words are available in different languages (French, Spanish, etc)
• To store key / value pairs
• To look up all of the methods which are available on a Python object
• To insure that all Python reserved words are properly spelled

Q13. What does the following Python code print out?

stuff = ['joseph', 'sally', 'walter', 'tim']
print(stuff[2])

• joseph
• tim
• walter
• sally

Q14. What will the following Python program print out? (This is a bit tricky so look carefully).

def hello():
print("Hello")
print("There")
x = 10
x = x + 1

• Nothing will print
• Hello
• There
• 11
• 11
• x = 11

Q15. What will the following Python program print out?

x = -1
for value in [3, 41, 12, 9, 74, 15] :
if value > x :
x = value
print(x)

• 15
• 74
• 3
• 9
• -1

Q16. What will the following Python program print out?

total = 0
for abc in range(5):
total = total + abc
print(total)

• 5
• 4
• 16
• 10
• 6

Q17. The following Python code causes a traceback:

a = "123"
b = 456
c = a + b
print(c)

Which line fails with a traceback?

• 3
• 1
• 2
• 4

Q18. In the following example, an error occurs in “line3” that normally causes a traceback if it were not in a try/except.

line1
try:
    line2
    line3
    line4
except:
    line5
line6

What is the sequence of lines executed in this program?

• line1, line4, line5, line6
• line1, line2, line3, line5, line6
• line1, line2, line3, line6
• line1, line2, line3, line4, line5, line6
• line1, line5, line6

Q19. What would the following Python code print out?

abc = "With three words"
stuff = abc.split()
print(stuff)

• [‘With the’, ‘ee words’]
• [‘With’, ‘three’, ‘words’]
• [‘w’, ‘i’, ‘t’, ‘h’]
• [‘With’, ‘three words’]
• [‘With three words’]

Q20. What would the following Python code print out?

abc = "With three words"
stuff = abc.split()
print(len(stuff))

• 14
• 2
• 3
• 16
• 1

Q21. Which of the following is not a good synonym for “class” in Python?

• pattern
• template
• direction
• blueprint

Q22. What is “self” typically used in a Python method within a class?

• The number of parameters to the method
• To refer to the instance in which the method is being called
• To terminate a loop
• To set the residual value in an expression where the method is used

Q23. How is a Python socket different than a Python file handle?

• The socket does not read all of the data when it is opened
• You can read and write using the same socket
• Opening a socket will never fail, while opening a file can fail

Q24. In the following XML, what is “type”?

<person>
      <name>Chuck
      <phone type="intl">
               +1 734 303 4456
    </phone>
    <email hide="yes" />
</person>

• An attribute
• Tag
• Value
• XML syntax error
• Simple element
• Complex element

Q25. Which programming language serves as the basis for the JSON syntax?

• JavaScript
• Python
• Java
• SCALA
• PHP

Get All Course Quiz Answers of Python for Everybody Specialization

Course 01: Programming for Everybody (Getting Started with Python)

Course 02: Python Data Structures

Course 03: Using Python to Access Web Data

Course 04: Using Databases with Python

Course 05: Capstone: Retrieving, Processing, and Visualizing Data with Python