#2 Expressions, Numbers. Python #Programming Lessons for Beginners. #learncoding #learnpython

## Slide 1

Hello, Python!
Let's [Learn Programming]{.coral-text}
From Scratch!!!

Here's Our Second
Python Program:

^^^ 42

## Slide 2

^^^ 42

Yes, `42` is Again
A Complete ["Program".]
This `42` is Also
An ["Expression",]
Which Happens to be
A Single ["Number".]
The ["Value"] of Number `42`
Is ...

`42`.

## Slide 3

There are Three Kinds of
Numbers in Python:

- Integers,
* E.g., `1`, `2`, `-10`, ...
- Float Numbers,
* E.g., `3.14`, `10.0`, ...
- Imaginary Numbers,
* E.g., `5j`, `2.5J`, ...

## Slide 4

^^^ 2 + 3

The "Expression", `2 + 3`,
In this Example
Tells the Python Interpreter to
"Evaluate" this Expression.
Now, Let's Run this
"Single Expression Program":

^^^ 2 + 3
5

`5` is the "Output" of this Program.


## Slide 5

Exercises :grin:

So, What Do You _Think_ is
- An "Expression"?
- A "Value"?
- An "Evaluation"? And
- A "Program"?


## Slide 6

Learn Programming
For 60 Seconds a Day!
See You All in the Next Lesson!