[原创] Learning in Python：Chapter 3 How You Run Programs

1.    Files == Modules,  Top level module == scripts

 

2.    Module Imports and Reloads

• Omit the .py
• Import runs the file once per process. reload() can run mutiple times.
• Module can contain variables, functions, etc.
• from ... import ... :   Copy names from a module.
• dir():   Return the attributes of a module.
• exec(open('module.py').read()),  execfile('module.py')

3.    Advanced IDLE Tools

• Debuger
• object browser