simple script for update all pip package

update all PIP package

import os
os.system("pip freeze > /tmp/list.txt")
file = open('/tmp/list.txt')
os.system("pip install --upgrade pip")
for i in file:
    x = i.split('==')[0]
    cmd = "pip install --upgrade "+x
    os.system(cmd)
os.system("pip freeze > /tmp/Nlist.txt")
print("Done")