#!/usr/bin/env python3

import os

p = '/proc/pressure/memory'
s = 'some 140000 1000000'

try:

    fd1= os.open(p, os.O_RDWR | os.O_NONBLOCK, mode=0o777, dir_fd=None)
    print(fd)

    s2 = s.encode()
    print(type(s2), s2)

    n = os.write(fd1, s2)
    print(n)

except Exception as e:
    print(e)

finally:
    os.close(fd)