Multiple threads printing at different intervals.
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import threading import random import time
class PrintThread( threading.Thread ): def __init__( self, threadName ): threading.Thread.__init__( self, name = threadName ) self.sleepTime = random.randrange( 1, 6 ) print "Name: %s; sleep: %d" % ( self.getName(), self.sleepTime )
def run( self ): print "%s going to sleep for %s second(s)" % ( self.getName(), self.sleepTime ) time.sleep( self.sleepTime ) print self.getName(), "done sleeping"
thread1 = PrintThread( "thread1" ) thread2 = PrintThread( "thread2" ) thread3 = PrintThread( "thread3" )
thread1.start() # invokes run method of thread1 thread2.start() # invokes run method of thread2 thread3.start() # invokes run method of thread3
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