Quick Python Q, parameter passing interpretation help needed

Hi

This python code has a (,) segment  t = Thread(target=myfunc, args=(i,))

what does the (,)) mean? precisely one argument passed in? No second argument?

import time
from threading import Thread

def myfunc(i):
    print "sleeping 5 sec from thread %d" % i
    time.sleep(5)
    print "finished sleeping from thread %d" % i

for i in range(10):
    t = Thread(target=myfunc, args=(i,))
    t.start()

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beavoidAsked:
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aikimarkCommented:
Thread is defined as follows:

|  __init__(self, group=None, target=None, name=None, args=(), kwargs=None, verbose=None)
|      This constructor should always be called with keyword arguments. Arguments are:
|
|      *args* is the argument tuple for the target invocation. Defaults to ().
This means that it expects arts to be a tuple.  Since only one value is supplied, it requires the comma
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beavoidAuthor Commented:
Thanks
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