Python OS module Create directory

1.mkdir (path [, mode])Create only one directory, the upper directory does not throw an error
Function: Create a directory that can be a relative or absolute path, the default mode is 0777. 

       If the directory has multiple levels, the last level is created. If the parent directory of the last level directory does not exist, a oserror is thrown.

2.makedirs (path [, mode])-------can create a cascading directory
       function: Create a recursive directory tree, which can be a relative or absolute path, and the default mode is 0777.
       If a subdirectory creation fails or already exists, a OSError exception is thrown, and the error on Windows 183 is the exception error that the directory already exists. If path has only one level, the same as mkdir. For example:

Python OS module creation directory