import os


def split_path(path):
    """
    Split a url path into its sub-paths.

    A url's sub-paths consist of all substrings ending in / and starting at
    the start of the url.
    """
    paths = ['/']
    path = path.rstrip('/')

    while path:
        paths.insert(1, path + '/')
        path = os.path.split(path)[0]
        if path == '/':
            break
    return paths

from collections import deque


def split_path(path):
    """
    Split a url path into its sub-paths.

    A url's sub-paths consist of all substrings ending in / and starting at
    the start of the url.

    eg: /path/containing/subpaths/ becomes:

        /
        /path/
        /path/containing/
        /path/containing/subpaths/
    """
    paths = deque()
    path = path or '/'
    while path:
        path = path.rpartition('/')[0]
        paths.appendleft(path + '/')
    return list(paths)

Refactor split_path code for brevity and clarity
Refactor split_path code for brevity and clarity

- import os
+ from collections import deque
  
  
  def split_path(path):
      """
      Split a url path into its sub-paths.
  
      A url's sub-paths consist of all substrings ending in / and starting at
      the start of the url.
+ 
+     eg: /path/containing/subpaths/ becomes:
+ 
+         /
+         /path/
+         /path/containing/
+         /path/containing/subpaths/
      """
-     paths = ['/']
+     paths = deque()
-     path = path.rstrip('/')
+     path = path or '/'
+     while path:
+         path = path.rpartition('/')[0]
+         paths.appendleft(path + '/')
+     return list(paths)
  
-     while path:
-         paths.insert(1, path + '/')
-         path = os.path.split(path)[0]
-         if path == '/':
-             break
-     return paths
- 
Refactor split_path code for brevity and clarity
## Code Before:
import os


def split_path(path):
    """
    Split a url path into its sub-paths.

    A url's sub-paths consist of all substrings ending in / and starting at
    the start of the url.
    """
    paths = ['/']
    path = path.rstrip('/')

    while path:
        paths.insert(1, path + '/')
        path = os.path.split(path)[0]
        if path == '/':
            break
    return paths

## Instruction:
Refactor split_path code for brevity and clarity
## Code After:
from collections import deque


def split_path(path):
    """
    Split a url path into its sub-paths.

    A url's sub-paths consist of all substrings ending in / and starting at
    the start of the url.

    eg: /path/containing/subpaths/ becomes:

        /
        /path/
        /path/containing/
        /path/containing/subpaths/
    """
    paths = deque()
    path = path or '/'
    while path:
        path = path.rpartition('/')[0]
        paths.appendleft(path + '/')
    return list(paths)
