Python Variables and Data Types

By the end of this lesson you can

What is a variable?
![Slide 3 of 17: What is a variable?]()
Naming rules
![Slide 4 of 17: Naming rules]()
Good and bad names
![Slide 5 of 17: Good and bad names]()
Numbers: int and float
![Slide 6 of 17: Numbers: int and float]()
Text: str
![Slide 7 of 17: Text: str]()
True, False and None
![Slide 8 of 17: True, False and None]()
Collections: list and tuple
![Slide 9 of 17: Collections: list and tuple]()
Collections: dict and set
![Slide 10 of 17: Collections: dict and set]()
Can it change after it is made?
![Slide 11 of 17: Can it change after it is made?]()
Checking types with type()
![Slide 12 of 17: Checking types with type()]()
Dynamic typing
![Slide 13 of 17: Dynamic typing]()
Converting between types
![Slide 14 of 17: Converting between types]()
A canteen bill in code
![Slide 15 of 17: A canteen bill in code]()
Quick check
![Slide 16 of 17: Quick check]()
Key takeaways
![Slide 17 of 17: Key takeaways]()