mem.py

#!/usr/bin/env python3
from time import sleep
from sys import exit, argv, getsizeof
# this simple python script allocates memory, waits for a while, and then exits successfully
mem = 0
try:
    mem = int(argv[1])
except ValueError:
    print("Usage: mem.py <mb-to-allocate>")
    exit()

bytes = mem * 1024 * 1024
print("Allocating {} bytes".format(bytes), flush=True)
reference = bytearray(bytes)
while True:
  sleep(1)

  print("Allocated size: {}...".format(getsizeof(reference)), flush=True)