micropython/tests/thread/thread_start1.py

# test basic capability to start a new thread
#
# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd

try:
    import utime as time
except ImportError:
    import time
import _thread

def foo():
    pass

def thread_entry(n):
    for i in range(n):
        foo()

_thread.start_new_thread(thread_entry, (10,))
_thread.start_new_thread(thread_entry, (20,))

# wait for threads to finish
time.sleep(1)
print('done')