Python Common functions O

ordereddict ()

Keep The dict elements in the insertion order.

Example:

Open (Path)

files can be manipulated, there are ' r ' read mode,' W ' write mode,' a ' append mode,' B ' binary mode,' + ' Read / Write mode Wait, close is required to complete the operation .

Example:

os module

OS module contains common operating system features , introduces several common functions, because path uses more, so os.path separate introduction.

Example:

OS . Path Module

File path name operation, the following example describes several commonly used.

Example:

Python Common functions O