How to view file names and file paths in Python

View 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__))    # 当前文件的路径
 print(os.path.dirname(os.path.realpath(__file__)))  # 从当前文件路径中获取目录
 print(os.path.basename(os.path.realpath(__file__))) # 从当前文件路径中获取文件名

print(os.listdir(dirname))     # 只显示该目录下的文件名和目录名，不包含子目录中的文件，默认为当前文件所在目录

 import os
  
  # os.walk()遍历文件夹下的所有文件
  # os.walk()获得三组数据(rootdir, dirname,filnames)
  def file_path(file_dir):
      for root, dirs, files in os.walk(file_dir):
          print(root, end=' ')    # 当前目录路径
          print(dirs, end=' ')    # 当前路径下的所有子目录
          print(files)            # 当前目录下的所有非目录子文件

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