Editing SimPy (section)

== Example ==

The following is a SimPy simulation<ref>{{Cite web|url=https://stefan.sofa-rockers.org/downloads/simpy-ep14.pdf#page=5|title=Discrete-event simulation with SimPy|last=Scherfke|first=Stefan|date=July 25, 2014|website=|publisher=|page=5|format=PDF|access-date=August 10, 2016}}</ref> showing a '''clock''' process that prints the current simulation time at each step:
<syntaxhighlight lang="pycon">
>>> import simpy
>>>
>>> def clock(env, name, tick):
...     while True:
...         print(name, env.now)
...         yield env.timeout(tick)
...
>>> env = simpy.Environment()
>>> env.process(clock(env, 'fast', 0.5))
<Process(clock) object at 0x...>
>>> env.process(clock(env, 'slow', 1))
<Process(clock) object at 0x...>
>>> env.run(until=2)
fast 0
slow 0 
fast 0.5 
slow 1 
fast 1.0 
fast 1.5
</syntaxhighlight>