Video Index

Section 1. The Basics

1. How to Download and Install Python >>
2. "Hello World" (Python 3 Command Line) >>
3. "Hello World" (Python 3 GUI) >>
4. Python Keyboard Input >>
5. Python Program Design >>
6. Coding a Design in Python >>
7. Testing a Python Program >>
8. Python Variables and Data Types >>
9. Python Assignment Statement >>
10. Python Assignment Operators >>
11. Python Augmented Assignment Operators >>
12. Naming Python Variables >>
13. Pythons Case Sensitivity >>
14. A Python Variable versus a Python Object >>
15. Immutable Object >>
16. Object References >>
17. Copying Object References >>

Section 2. Python Structures (Sequence, Selection and Iteration)

1. The Sequence Structure >>
2. The if  Selection Construct >>
3. The if... else Selection Construct >>
4. Boundary testing the if ... else Selection Construct >>
5. Nested Selection Constructs >> 
6. The elif Selection Construct >>
7. The while iteration (repetition loop) >> 

Section 3. Python Operators

1. Pythons Relational Operators (making decisions) >>
2. Multiple Conditional Tests (and paths) in a Python program >>
3. Pythons range function >>
4. The for loop iteration >> 
5. Pythons Arithmetic Operators >> 
6. Pythons % Operator >> 
7. Pythons logical operators (and, or & not) >> 
8. Pythons logical and operator >> 
9. Operator Precedence >> 
10. Multiple Assignment >>
11. Multiple Assignment and Trace Tables >>
12. Simultaneous Assignment >>

Section 4. Python Functions

1. Pythons ord() function >>
2. Pythons chr() function >>
3. Pythons eval()function >>
4. Pythons print function >>
5. Pythons abs function >>
6. Pythons type function >>
7. Pythons id() function >>
8. Pythons id() function and names >>

Section 5. Introduction to Classes and Objects

1. Python Class and Object >>
2. Python Binding a Name to an Object >>
3. Python String Class and Object >>
4. Python An Empty String >>
5. A Python String is Immutable >>
6. Binding to an Existing String Object >>
7. Python Augmented Operators and Binding to Objects >>

Section 6. Python Strings

1. Finding the length of a Python String >>
2. Iterating over a Python String >>
3. Forward Indexing Over a Python String >>
4. Python Forward Indexing Example >>
5. Backward Indexing Over a Python String >>
6. Python Backward Indexing Example >>
7. Counting words in a simple sentence (Python string) >>
8. Python String Replicator Operator >>
9. Python Class and Object Relationship >>
10. Messaging a Python String Object >>
11. Python Using the split() method to count words in a string >>
12. Pythons string capitalize method >>
13. How to count the number of sub-strings in a string using Python >>
14. Python String Slicing >>
15. Python String Slicing Examples >>
16. Python String Slicing More Examples >>
17. Python String Slicing Additional Examples >>
18. How to Reverse a Python String >>
19. Extracting a URL from a Python String >>
20. The Python find() String method >>
21. Python find() method examples >>
22. The Python index() method and exceptions >>
23. The endswith() method >>

Section 7. User Defined Function

1. Why we have Python functions >>
2. Python User Defined Function >>
3. How to design a Python function >>
4. Python Function with arguments and no return value >>
5. Python Function with no arguments but return value >>
6. Python Function with no arguments and no return value >
7. Python Keyword Arguments for functions >>
8. Python Default Arguments for functions >>
9. Local and Global Variable Scope >>
10. Lifetime of Variables >>
11. In functions do not directly access global variable >>
12. Python Parameter Passing Mechanism >>

Section 8. Classes and Objects

1. Python Class >>
   
2. ​Python Class Members >>
   
3. Constructing and Assigning a Python Object >>
   
4. Python Methods and self >>
   
5. ​Pythons self parameter >>
   
6. Python Method Parameters and self >>
   
7. A Python Instance Method >> 
   
8. Pythons __init__  method >>
   
9. Python Instance Variables >>
   
10. Local variables in Python methods >>
    
11. Messaging a Python Object >>
    
12. Designing a Python Class >>
    
13. Building a Python Class >>
    
14. Creating an Instance of a Python Class >>
    
15. Python getter and setter Methods >>
    
16. Python Why Data Hiding? >>
    
17. Pythons Data Hiding Convention >>

Section 9. Python Dictionary

1. Python Dictionary >>
2. Adding Key Value Items to a Python Dictionary >>
3. Deleting and Clearing Python Dictionary items >>
4. A Python Dictionary is an Object >>
5. Pythons dict class popitem() method >>
6. Pythons dict class keys() method >>
7. Pythons dict class values() method >>
8. Pythons dict class get() method >>
9. Pythons dict class items() method >>
10. Pythons dict class update() method >>
11. Python Immutable and Mutable Types >>
12. A Python list is Mutable >>
13. A Python Mutable list storing Immutable types >>
14. ​Allowable types for Dictionary Keys >>

Section 10. Python tkinter

1. Introduction to tkinter >>
2. tkinter objects >>
3. How to set the title of a Python tkinter window >>
4. tkinter events and mainloop() >>
5. How to set the background colour of a Python tkinter window >>
6. Setting the Size of a tkinter Window >>
7. How to set the location of a Python tkinter window >>
8. Creating a fixed size Python tkinter window >>
9. How to place a Python tkinter window in the center of the screen >>
10. Introduction to the tkinter Label widget >>
11. Setting the font type, font colour and font size of a label >>
12. Setting the width of a tkinter label >>
13. Displaying multiple lines of text in a Python tkinter label >>
14. Setting the look of the border of a Python tkinter label >>
15. Setting the height of a Python tkinter label >>
16. Positioning text within a Python tkinter label >>
17. How to pad space around the text of Python tkinter label >>
18. How to justify text in a Python tkinter label >>
19. How to anchor and justify text in a Python tkinter label >>
20. How to access the options of a Python tkinter label >>
21. Dynamically altering a Python tkinter label >>
22. The Python tkinter keys() method for a label >>
23. Using StringVar and textvariable with a Python tkinter label >>
24. The Python tkinter StringVar set() method >>
25. Introduction to the Python tkinter button widget​ >>
26. The tkinter Grid Geometry Manager >>
27. Designing a Simple tkinter GUI >>
28. ​The tkinter Entry Widget >>
29. The Entry widget and StringVar() >>
30. Fahrenheit to Celsius Python GUI >>
31. Alternative Python Fahrenheit to Celsius GUI​ >>
32. Setting the focus within a Python GUI >>
33. Focus and Tab order of Widgets in a Python GUI >>
34. Introduction to the Python tkinter Frame widget >>
35. Building a Python tkinter GUI using Frames >>
36. Adding Frames to a Python tkinter window >>​
37. How to Inherit from a Python tkinter Frame >>
38. The id and type of a Widget that inherits from a Python tkinter Frame >>
39. The need for the __init__  method and self parameter when inheriting with tkinter >>
40. Using the Python help function to assist with inheritance >>​
41. Using Inheritance to Build a Python tkinter GUI >>
42. Fullscreen window using tkinter >>
43. Fullscreen tkinter window using the f string >>
44. Introduction to the Python tkinter Canvas widget >>
45. How to draw a line in Python using tkinter >>
46. Hexadecimal colour (color) codes for Python tkinter graphics >>
47. ​How to generate a random colour (color) in Python >>
48. How to draw Random Coloured lines in Python tkinter >>
49. Using the f string to set random Python colours >>
50. Drawing shapes on a tkinter Canvas using lines >>
51. ​How to draw arrowhead lines on a Python tkinter Canvas​ >>
52. Shaping the arrowhead of a line in tkinter >>
53. ​Drawing and deleting lines on a tkinter canvas >>
54. Drawing lines on a tkinter Canvas with mouse clicks >>
55. Accessing the coordinate position of a mouse click >>
56. Drawing a line between two mouse clicks using tkinter >>
57. Building a tkinter App with a class >>
58. Describing a tkinter App built with a class >>
59. Creating tkinter Apps from a class >>
60. Python Namespaces, name conflicts and tkinter >>
61. Python Namespaces >>
62. Displaying a Python Namespace >>
63. Python and Multiple Namespaces >>
64. ​Python Namespace and Local Scope >>
65. Python Global Namespace >>
66. ​Avoiding tkinter naming conflicts >>
67. Introduction to the Python tkinter Menu widget >>
68. Adding menu items to a Python tkinter menubar >>
69. Using tkinter and Python to create a submenu >>
70. The tearoff option for a Python tkinter menu >>
71. Using separators to group Python tkinter menu items >>
72. Displaying the current time in a Python tkinter window >>
73. A Digital clock built with Python tkinter >>
74. A Digital Clock built with Object Oriented Python and tkinter >>
75. Cosmetically Refactoring Python tkinter code >>

Section 11. Python Lists

1. Introduction to the Python List >>
2. Creating Python lists >>
3. Accessing the elements of a Python list >>
4. Creating and initialising a fixed size Python list >>
5. Navigating a Python list within a while loop >>
6. The Python len function and lists >>
7. Using the for loop and the while loop with a Python list >>
8. Using the max function with Python lists >>
9. Using the min function with Python lists >>
10. Using the min function with Python lists >>
11. How to reverse a Python list >>
12. How to append to a Python list >>
13. How to extend a Python list >>

Section 12. Python Namespaces

1. Python Namespaces, name conflicts and tkinter >>
2. Python Namespaces >>
3. Displaying a Python Namespace >>
4. Python and Multiple Namespaces >>
5. Python Namespace and Local Scope >>
6. Python Global Namespace >>
7. Avoiding tkinter naming conflicts >>​

Section 13. Turtle Graphics

1. Introduction to Turtle Graphics >>
2. Turtle Graphics in Python >>
3. Python turtle Screen class >>
4. Python turtle Screen exitonclick() method >>
5. Setting the background color of a Python turtle screen >>
6. How to set the size of a Python turtle screen >>
7. How to set the POSITION of a Python turtle screen >>
8. Moving the turtle forward and backward in Python >>
9. Drawing a Square in Python using Turtle >>
10. Drawing a Turtle Square using a Python loop >>
11. How to set the drawing colour in Python turtle graphics >>
12. Setting the thickness of Python turtle lines >>
13. Filling a turtle drawn shape with a colour >>
14. How to hide the turtle when it is drawing >>

Section 14. Python Tips

1. Python Tip: Constants and Reading large numbers in Python >>
2. Python Tip: Frequencies of values in a list >>
3. Python Tip: Most frequently occurring value in a Python list >>​
4. Python Tip: Returning multiple values from a function >>
5. Python Tip: Python ‘==‘ versus ‘is’ >>
6. Python Tip: The Immutable Integer >>
7. Python Tip: The Immutable Float >>
8. Python Tip: First Class Objects >>