Python reads files under the specified folder

1 #-*-coding:utf-8-*-2 ImportCSV3 ImportOS4 ImportPandas as PD5 #Extract folder under the address + file name, source file set collation6 deffile_name (file_dir):7L = []8      forRoot, dirs, filesinchOs.walk (file_dir):9          forFileinchFiles:Ten             ifOs.path.splitext (file) [1] = ='. csv': One L.append (Os.path.join (root, file)) A         returnL - Print(File_name ('c:/users/Charr/desktop'))

Returns all CSV files under the specified folder

Os.walk (FILE_DIR) returns parameter description: Returns a ternary group Dirpath, Dirnames, filenames, (folders and files are available under folder)

1 Import OS 2 Path = R'C:\Users\Administrator\Desktop\file'3for in  Os.listdir (path):4     print(Os.path.join (path,filename))

Os.listdir (PATH) returns parameter description: Returns a two-tuple dirpath, filenames, (only files in folder)

The value returned by the above two methods is the address + filename of the file, connected by join

Python reads files under the specified folder