import time
print("Print now")
time.sleep(4.2)
print("Printing after 4.2 seconds")

import time
print("Printed immediately.")
time.sleep(1.2)
print("This will be printed after 1.2 seconds.")

import time
start = time.time()
print("sleeping...")
time.sleep(0.5)
print("woke up...")
elapsed_time = time.time() - start
print("elapsed time:", elapsed_time * 1000, "milliseconds")