File modification time python

import os, time
(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(file)
print "last modified: %s" % time.ctime(mtime)

http://stackoverflow.com/questions/237079/how-to-get-file-creation-modification-date-times-in-python

Update all python pip packages

import pip
from subprocess import call

for dist in pip.get_installed_distributions():
    call("pip install --upgrade " + dist.project_name, shell=True)

i use it with ipython

sudo ipython
""" Cut the code above and type
%paste

Kill process with python on linux

import os
import signal

def kill_process(processname):
    for line in os.popen("ps xa"):
        fields = line.split()
        pid = fields[0]
        process = fields[4]
        print process
        if process == processname:
            os.kill(int(pid), signal.SIGKILL)
            break
        else:
            pass

look here for a windows solution or google it