View the file name and file path

>>> import os
>>> url = 'http://images.cnitblog.com/i/311516/201403/020013141657112.png'
>>> filename = os.path.basename(url)
>>> filepath = os.path.dirname(url)
>>> filename
'020013141657112.png'
>>> filepath
'http://images.cnitblog.com/i/311516/201403'
>>>

 import os
 print(os.path.realpath(__file__)) #  The path to the current file
 print(os.path.dirname(os.path.realpath(__file__))) #  Gets the directory from the current file path
 print(os.path.basename(os.path.realpath(__file__))) #  Gets the file name from the current file path

print(os.listdir(dirname))  #  Only the file name and directory name under the directory are displayed, not the files in the subdirectory, the default is the directory where the current file is located

import os
# os.walk() Walk through all the files in the folder
# os.walk() To obtain 3 Set of data (rootdir, dirname,filnames)
def file_path(file_dir):
 for root, dirs, files in os.walk(file_dir):
  print(root, end=' ') #  Current directory path
  print(dirs, end=' ') #  All subdirectories under the current path
  print(files)   #  All non-directory subfiles in the current directory