python learning record 1

storage

No. classification purposes

Number 01 stores digital (invariable)

                     String String (immutable)

                     List List

                     Tuple Ganso

                    Set collection

                    Dictionary Dictionary

variable

 

 

First, use

Storing data

Second, variable composition

1, the variable type

Size of memory, storage data type,

2, the variable name

Alias ​​data storage address

3, variable values

To store data

4, memory address

When applying variable, the allocated memory location accessed by the variable name

Third, the process variables are stored

Exercise