Find a directory Python script that contains a specific file and has an update within 24 hours

Find out which part of the Python script is updated within 24 hours of the directory where the specified files are located:

Note:
1, first find all the directories containing aa.txt files
2. Filter out the updated directory within 24 hours (86,400 seconds)
3. Remember to add ' \ n ' (newline) when writing, and remember to exclude ' \ n ' (strip ()) when reading

VI a1.py

#!/usr/bin/python

Import OS
Import time

Dir= "/root/python"

now = Time.time ()

For Root,dirs,files in Os.walk (dir):
For f in Files:
if f = = "Aa.txt":
D = Os.path.join (root,f)
A=open ('/root/python/dir.txt ', ' a ')
A.write (Os.path.dirname (d) + ' \ n ')
A.close ()

FD = open ('/root/python/dir.txt ', ' R ')
For I in Fd.readlines ():
j = Os.path.getmtime (I.strip ())
If J > (now-86400):
Print I
Fd.close ()
: Wq

Python a1.py

Find a directory Python script that contains a specific file and has an update within 24 hours