Computer Programming

Overview of Computer Programming, Algorithms, Flowcharts, Jupyter Notebook, Python Basics, Python Data Types, Python Operators

Computer Programming

Giving instructions to computer

Machine Code

Binary, The only language computers directly understand

Assembly Language

Uses mnemonics instead of binary.

High-Level Languages

Not as memory-efficient, but easy to debug and maintain

Monty Python’s Flying Circus

Python is named after

Algorithm

step-by-step instruction

Input

What information is given

Process

Task to be performed

Output

Expected result

Flowchart

Graphical representation of an algorithm

Global

Variable entirely

Local

Variable inside the function

Reserved Words

Cannot be used as variable names

Jupyter Notebook

open-source web app

Brian Granger & Fernando Perez

Founders of Jupyter Notebook

Shift + Enter

Execution

A

Insert cell above

B

Insert cell below

DD

Delete cell

M

Convert to Markdown

Y 

Convert to Code

int

whole numbers

float

decimals

complex

has real + imaginary numbers

List [ ]

Editable, Ordered

Tuple ( )

Fixed, Ordered

Dictionary { }

Key-value pairs

Numbers

int, float, complex

String

text in quotes, can slice & use methods

Arithmetic

+ - / % * //

Comparison

== != < > <= >=

Assignment

= += -=

Logical

and or not

Membership

in, not in

Identity

is, is not

Bitwise

& | ^ ~ << >>

IDE

Integrated Development Environment

Indentation

spaces at the beginning of a code line