- While I was outside I grabbed the mail,…and unfortunately, it looks like today…is nothing but bills and junk mail.…As I sorted through my mail,…when I come across a bill,…I'll put it on a stack to be processed.…And, as for the junk mail, I'll just toss that.…So this first item is a bill,…I'll place it on my stack.…The next item is also a bill,…so I'll place it into the stack on top of that first one.…Junk mail, junk mail.…Another bill, that goes on the stack.…Junk mail, and a bill.…
Now, the bills on my stack are ordered from top to bottom…with the most recent bill I put onto the stack at the top,…and the oldest bill at the bottom.…When I'm ready to begin paying these bills,…I'll grab the last envelope that I put onto the stack,…which is at the top,…and I'll start working my way down the stack…paying my bills in the opposite order…that I put them onto the stack.…- Hey, it looks like you dropped a bill on the way in.…- Whoops! Well, I'll just put that here on top of the stack.…Since that bill Olivia found…is the newest item on the stack,…
- Reusing functions
- Local vs. global variables
- Creating and naming custom objects
- Class inheritance
- Modules and packages
- Multidimensional lists and tuples
- Queues and stacks
- Creating and combining sets
- Storing data in dictionaries
- If/else and switch statements
- For vs. while loops
- Error handling
- Polling and event-driven programming
Skill Level Beginner
3. Class Inheritance
4. Modules and Packages
5. Lists and Tuples
6. Queues and Stacks
9. Conditional Execution
11. Error Handling
12. Polling and Event-Driven Programming
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