What is the use of the sys and the os module in python

Answer 1

thanks 「ＨＡＰＰＹ ＴＯ ＨＥＬＰ」

Answer 2

you can also use help(*) or *.__doc__ to see their instructions
* can be any functions or modules

Answer 3

To interact with the system... os.system() function is used