os.system(command)

wx.Execute(command, syn=wx.EXEC_ASYNC, callback=None)

class subprocess.Popen

webbrowser.open(url)

os.system()与os.popen()

os.system

os.popen。。。

os.startfile

os.exec一系列

Python os.system() 

    For some reason os.system() isn't friendly with commands that have spaces in their paths (even if you enclose them with ""). Best practice is to swtich to a slightly more robust execution module such as subprocess (if you're on 2.4 or greater), or popen