Python Learning Path (i)

Basic Python Learning 1
(1) Variables
The memory address pointed to in Python for storing data is called a variable

(2) Naming of variables
The name of the variable is composed of numbers, letters, underscores, numbers cannot begin; Do not use keywords and function names in python to name variables; names are concise and descriptive; variable names are case-sensitive.
Naming method follows hump naming and underline naming
Small hump nomenclature: first letter lowercase other words initial capital FirstName
Big Hump naming method: All words capitalized FirstName
Underline nomenclature: Lowercase words, using underscores to differentiate first_name

(3) Use of variable names
In Python, variable names are consistent before and after, and do not have a spelling check:
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Python Learning Path (i)