Question 1

Using JSON, data is formatted most like which Python collection?

Accepted Answer

A)  Tuple 
B)  String 
C)  List 
D)  Dictionary 
A)  Tuple 
B)  String 
C)  List 
D)  Dictionary

Question 2

How is the newline character represented in Python?

Accepted Answer

A)  
 
B)  /n 
C)  "n" 
D)  NL 
A)  
 
B)  /n 
C)  "n" 
D)  NL

Question 3

What string method is used to format values in a string?

Accepted Answer

A)  modulo 
B)  format 
C)  close 
D)  file 
A)  modulo 
B)  format 
C)  close 
D)  file

Question 4

The data embedded in a file that describes the data is called:

Accepted Answer

A)  superdata. 
B)  titledata. 
C)  metadata. 
D)  html. 
A)  superdata. 
B)  titledata. 
C)  metadata. 
D)  html.

Question 5

The string format method is used to create formatted strings in Python.

Accepted Answer

A) True 
 B)False

Question 6

1. Match each of the descriptions with the appropriate formatting option for strings.
-Put the value in a field 20 characters wide with two characters to the right of the decimal point.

Accepted Answer

A) {0:^20d} B) {0:>20d} C) {0:<20d} D) {0:20.2f} A) {0:^20d} B) {0:>20d} C) {0:<20d} D) {0:20.2f}

Question 7

Explain the while loop mechanism and provide the syntax, or template, of the structure.

Accepted Answer

Python provides us with a general loop m

Question 8

Once a file has been opened, it becomes a Python object just like all other data.

Accepted Answer

A) True 
 B)False

Question 9

1. Match each of the descriptions with the appropriate formatting option for strings.
-Put the value in a field 20 characters wide, left-justified.

Accepted Answer

A) {0:^20d} B) {0:>20d} C) {0:<20d} D) {0:20.2f} A) {0:^20d} B) {0:>20d} C) {0:<20d} D) {0:20.2f}

Question 10

Explain how the following session, which creates a list of cubes, could be re-written as a single step using list comprehensions.
>>> cubes = []
>>> for x in range(1, 11):
cubes.append(x * x * x)
>>> cubes
[1, 8, 27, 64, 125, 216, 343, 512, 729, 1000]

Accepted Answer

Using list comprehensions, we can do thi

Question 11

Case Study 2:
>>> with open("rainfall.txt", "r") as inFile:
aLine = inFile.readline()
>>> aLine
'Akron 25.81
'
>>> with open("rainfall.txt", "r") as inFile:
lineList = inFile.readlines()
>>> lineList
['Akron 25.81
', 'Albia 37.65
', 'Algona 30.69
', 'Allison 33.64
','Alton 27.43
', 'AmesW 34.07
', 'AmesSE 33.95
', 'Anamosa 35.33
','Ankeny 33.38
', 'Atlantic 34.77
', 'Audubon 33.41
','Beaconsfield 35.27
', 'Bedford 36.35
', 'BellePlaine 35.81
','Bellevue 34.35
', 'Blockton 36.28
', 'Bloomfield 38.02
',
'Boone 36.30
', 'Brighton 33.59
', 'Britt 31.54
', 'Buckeye 33.66
','BurlingtonKBUR 37.94
', 'Burlington 36.94
','Carroll 33.33
', 'Cascade 33.48
']
>>> with open("rainfall.txt", "r") as inFile:
fileString = inFile.read()
>>> fileString
'Akron 25.81
Albia 37.65
Algona 30.69
Allison 33.64
Alton
27.43
AmesW 34.07
AmesSE 33.95
Anamosa 35.33
Ankeny 33.38

Atlantic 34.77
Audubon 33.41
Beaconsfield 35.27
Bedford 36.35
BellePlaine 35.81
Bellevue 34.35
Blockton 36.28
Bloomfield 38.02
Boone 36.30
Brighton 33.59
Britt 31.54
Buckeye 33.66
BurlingtonKBUR 37.94
Burlington 36.94
Carroll 33.33
Cascade 33.48
'
>>>
-Refer to the session in the accompanying Case Study 2 and describe the function of the readline() method.

Accepted Answer

The readline() method returns the next l

Question 12

It is possible to read online data using Python.

Accepted Answer

A) True 
 B)False

Question 13

Case Study 1:
1. >>> item = 'A dozen eggs'
2. >>> itemPrice = 2.4
3. >>> print("{0} costs ${1:.2f}".format(item, itemPrice))
4. ???
5. >>> myDict = {'name':'candy bar', 'price':95}
6. >>> print("The {name} costs {price} cents".format(**myDict))
7. ???
-Refer to the session in the accompanying Case Study 1. What is printed on line 4?

Accepted Answer

A)  A dozen eggs costs $2.4 
B)  A dozen eggs costs $2.40 
C)  {0} costs $2.4f 
D)  The {item} costs {itemPrice} cents 
A)  A dozen eggs costs $2.4 
B)  A dozen eggs costs $2.40 
C)  {0} costs $2.4f 
D)  The {item} costs {itemPrice} cents

Using JSON, data is formatted most like which Python collection?

How is the newline character represented in Python?

What string method is used to format values in a string?

The data embedded in a file that describes the data is called:

The string format method is used to create formatted strings in Python.

1. Match each of the descriptions with the appropriate formatting option for strings. -Put the value in a field 20 characters wide with two characters to the right of the decimal point.

Explain the while loop mechanism and provide the syntax, or template, of the structure.

Once a file has been opened, it becomes a Python object just like all other data.

1. Match each of the descriptions with the appropriate formatting option for strings. -Put the value in a field 20 characters wide, left-justified.

Explain how the following session, which creates a list of cubes, could be re-written as a single step using list comprehensions. >>> cubes = [] >>> for x in range(1, 11): cubes.append(x * x * x) >>> cubes [1, 8, 27, 64, 125, 216, 343, 512, 729, 1000]

It is possible to read online data using Python.

Introduction to Python: Introduction to Numeric Types, Turtle Graphics, Simple for Loops and Functions

Pthon: Estimating PI: Math and Random Methods, Selection and Boolean Expressions, the Print Function

Codes and Other Secrets: String Operators and Methods, the Len Built-In Function, Keyword Parameters, User Input

Introducing the Python Collections: Lists, Dictionaries, Tuples, and Statistics

Image Processing: Nested for Loops, Functions As Parameters, Namespaces, Lists of Lists

Data Mining: Cluster Analysis: More on the While Loop; Parrallel Lists

Cryptanalysis: Advanced Dictionaries and Lists, Regular Expressions

Fractals: the Geometry of Nature: Recursion, Grammars and Production Rules

Astronomy: Creating Classes, Writing Constructors, Accessors, Mutators and Special Methods

Simulation:computer Simulation Using Objects

Father Was a Rectangle: Inheritance and Object-Oriented Design

Video Games: Multithreading, Event Handlers, Static Variables

Filters

Exam 5: Bigger Data: File Io: the While Loop, String Formatting, Reading Online Data in CSV and Json Formats

Using JSON, data is formatted most like which Python collection?

How is the newline character represented in Python?

What string method is used to format values in a string?

The data embedded in a file that describes the data is called:

The string format method is used to create formatted strings in Python.

1. Match each of the descriptions with the appropriate formatting option for strings. -Put the value in a field 20 characters wide with two characters to the right of the decimal point.

Explain the while loop mechanism and provide the syntax, or template, of the structure.

Once a file has been opened, it becomes a Python object just like all other data.

1. Match each of the descriptions with the appropriate formatting option for strings. -Put the value in a field 20 characters wide, left-justified.

Explain how the following session, which creates a list of cubes, could be re-written as a single step using list comprehensions. >>> cubes = [] >>> for x in range(1, 11): cubes.append(x * x * x) >>> cubes [1, 8, 27, 64, 125, 216, 343, 512, 729, 1000]

It is possible to read online data using Python.

Introduction to Python: Introduction to Numeric Types, Turtle Graphics, Simple for Loops and Functions

Pthon: Estimating PI: Math and Random Methods, Selection and Boolean Expressions, the Print Function

Codes and Other Secrets: String Operators and Methods, the Len Built-In Function, Keyword Parameters, User Input

Introducing the Python Collections: Lists, Dictionaries, Tuples, and Statistics

Image Processing: Nested for Loops, Functions As Parameters, Namespaces, Lists of Lists

Data Mining: Cluster Analysis: More on the While Loop; Parrallel Lists

Cryptanalysis: Advanced Dictionaries and Lists, Regular Expressions

Fractals: the Geometry of Nature: Recursion, Grammars and Production Rules

Astronomy: Creating Classes, Writing Constructors, Accessors, Mutators and Special Methods

Simulation:computer Simulation Using Objects

Father Was a Rectangle: Inheritance and Object-Oriented Design

Video Games: Multithreading, Event Handlers, Static Variables

Filters