Python Basic data type

In the case of idle use:

Open Idle and click "File", "New file" in the menu bar.

In the new file, save it. Right-click the file, open with, select Python idle open.

After the code is finished, press F5 to run.

In which to output a, also need to put in print (), or press F5, do not see the results.

The numeric type in Python is immutable (strongly typed) and cannot be: 1 + "1"

There is no type (dynamic type) in Python, and there is no need to write a keyword such as int, string, float, etc. before the variable.

Python is fully object-oriented:

Object-oriented Example: Call someone to buy a bottle of water, he bought the water just fine.

Process-oriented example: Call someone to buy a bottle of water, give him water, tell him to buy what brand, volume, Downstairs, go left, cross the road, to the kiosk, ask the boss to buy water, and then come back. The whole process.

View built-in functions: Dir (__builtins__)

Not finished, to be continued ...

Python Basic data type