type function

1. typy 函式列出變數的資料型態，python3 除法會自動轉換成浮點數。

   pyuser@deyu:~/zzz$ python
   Python 3.12.9 (main, Aug 14 2025, 00:00:00) [GCC 14.2.1 20250110 (Red Hat 14.2.1-7)] on linux
   Type "help", "copyright", "credits" or "license" for more information.
   >>> x=10
   >>> print(x,type(x))
   10 <class 'int'>
   >>> y=x/2
   >>> print(y,type(y))
   5.0 <class 'float'>
   >>> quit()