Definition of python variables

Function: Store data, be called, identify data (variable data is stored in memory, data is temporary)

name = "abc"

#name: variable name abc: value of variable name

print (name)

#Call the name variable and print the variable

## Important note:

Characters in Python with single or double quotes are considered strings by Python.

Declaration rules:

1. Must have identification meaning

2. Variable names can only be a combination of letters, numbers or underscores

3. The first letter cannot be a number

4.Python built-in variables cannot be used as variable names (for example: and, class)

Key examples:

name = "aaa"

name2 = name

print (name, name2)

name = "bbb"

print (name name2)

Output:

aaa,aaa

                  bbb,aaa

                                                                                                                                                      

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