What are the basic os operations of python3?
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Import os
# get the current working directory
Print (os.getcwd ())
# # switching directories
# os.chdir ("E:\ python_learn\ python")
# print (os.getcwd ())
# # current directory
# print (os.curdir)
# print (os.getcwd ())
#
# # superior directory
# print (os.pardir)
# print (os.getcwd ())
# # Recursive creation of multi-level directories
# os.makedirs (r "E:\ python_learn\ python\ day12\ a\ b")
# create a single-level directory, not a multi-level directory
# os.mkdir ("E:\ python_learn\ python\ day12\ a\ b")
# os.mkdir (r "E:\ python_learn\ python\ day12\ a")
Os.mkdir (r "E:\ python_learn\ python\ day12\ a\ b")
# # if the directory is empty, delete it; recursively to the directory at the next level, if empty, delete, and so on
# os.removedirs (r "E:\ python_learn\ python\ day12\ a\ b")
# Delete a single directory. If the directory is empty, delete it
Os.rmdir (r "E:\ python_learn\ python\ day12\ a\ b")
# list all files and directories in a directory
Print (os.listdir (r "E:\ python_learn\ python\ day12"))
# Delete a file
# os.remove ("E:\ python_learn\ python\ day12\ a\ test1.py")
# rename
# os.rename ("E:\ python_learn\ python\ day12\\ a\ test.py", "E:\ python_learn\ python\ day12\\ a\ test1.py")
# get file information
Print (os.stat ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# get file size
Print (os.path.getsize ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# Delimiter of the current platform
Print (os.sep)
# Line Terminator used by the current platform
Print (os.linesep)
# string used to split the file path
Print (os.pathsep)
# the platform currently in use, such as nt for win
Print (os.name)
# Environment variables
# print (os.environ)
# print (os.system ('dir'))
# absolute path
Print (os.path.abspath (_ _ file__))
# cut path into directory and file name tuples and return
Print (os.path.split ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# return to the catalogue which gynecology hospital in Zhengzhou has a good http://mobile.120zzzy.com/
Print (os.path.dirname ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# return file name
Print (os.path.basename ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# determine whether the path exists, and return True or False
Print (os.path.exists ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# determine whether it is an absolute path
Print (os.path.isabs ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# whether it is a file
Print (os.path.isfile ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# whether it is a directory
Print (os.path.isdir ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# get the last access time of a file or directory
Print (os.path.getatime ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# creation time of the output file
Print (os.path.getctime ("E:\ python_learn\ python\ day12\ a\ test1.py"))
# get the last modification time
Print (os.path.getmtime ("E:\ python_learn\ python\ day12\ a\ test1.py"))
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