import os
print(os
.listdir
('D:/Python/project/geng_juans_homework/day5') )
os
.mkdir
('python1')
os
.mkdir
('python1/day2')
os
.makedirs
('java/day3')
os
.remove
('python')
os
.rmdir
('java')
os
.rename
('python','java')
print(os
.getcwd
())
os
.chdir
('D:/Python/project/geng_juans_homework/day4')
os
.mkdir
('java')
print(os
.getcwd
())
print(os
.environ
)
result
= os
.system
('sgw3dsgs')
print('!!!!!!!!!',result
)
result
= os
.popen
('ifconfig').read
()
print('result,',result
)
os
.path
.join
()
os
.path
.abspath
()
os
.path
.split
()
os
.path
.dirname
()
os
.walk
()
print(os
.path
.sep
)
print(os
.path
.isfile
('a.py'))
print(os
.path
.isdir
('a.py'))
print(os
.path
.exists
('a.py'))
print(os
.path
.getsize
('a.py'))
print(os
.path
.getctime
('a.py'))
print(os
.path
.getmtime
('a.py'))
print(os
.path
.getatime
('a.py'))
print(os
.path
.split
('D:/Python/project/geng_juans_homework/day5/a.py'))
print(os
.path
.join
('g:','movies','欧美大片','复仇者联盟.mp4'))
print(os
.path
.abspath
(r
'../day4/a.json'))
D
:\Python\project\tmz
-code\day4\a
.json
print(os
.path
.dirname
(r
'D:\Python\project\tmz-code\day4\a.json') )
e
:\xxx\python\sqls
寻找文件地址:walk()
for cur_path
,dirs
,files
in os
.walk
(r
'D:\Python\project'):
print('当前在%s目录下查找'%cur_path
)
for file in files
:
if file.endswith
('.mp4') or file.endswith
('.avi'):
print('发现小电影在%s目录下'%cur_path
)
break
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