Syntax
Python is an interpreted language (similar to JavaScript)
Python is Object Orientated
install python - versaion 3.11.5
link - python.org/downloads
make sure before you press "Install Now" that you click the Add Python to PATH" checkbox
Python has its own dedicated IDE (Integrated Development Environment)
This is called IDLE Shell and it is installed automatically when you install python.
There are 2 ways to run code
1) typing directly into the shell for single lines of code.
The 3 arrows (>>>) is called the Python shell prompt
Everytime you type some code, press Enter to execute it
2) (File > New File) type (File > Save), (Run > Run module)
creating a ".py" file for multiple lines of code
Resources
link - https://codewith.mu/en/tutorials/
Variables
should start with letters or an underscore
no special characters ! # $ %
can only contain letters, numbers and underscore
are case sensitive
Numbers
integers (whole numbers)
floating point (numbers with a decimal point)
complex nos - extract the real number
variable.real
complex nos - extract the imaginary number
variable.imag
conversion int, float, complex
2 + 3 * 5
(2 + 3) * 5 * (1 + 2)
specifying an asterisk (*) before a variable tells python that you want to include everything
strings
can be single or double quotes
eascape characters \'
concatenation +
access characters variable[]
- either zero based from the left [3]
or negative from the right [-3]
Colours
color = 'Red'
color = 'Orange'
color = 'Blue'
color = 'Yellow'
color = 'Green'
color = 'Violet'
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