import multiprocessing
import time
# Your foo function
def foo(n):
for i in range(10000 * n):
print "Tick"
time.sleep(1)
if __name__ == '__main__':
# Start foo as a process
p = multiprocessing.Process(target=foo, name="Foo", args=(10,))
p.start()
# Wait 10 seconds for foo
time.sleep(10)
# Terminate foo
p.terminate()
# Cleanup
p.join()