python中sleep函数用法实例分析

#-----------------------------------
# Name: sleep.py
# Author: Kevin Harris
# Last Modified: 02/13/04
# Description: This Python script demonstrates
# how to use the sleep()
# function.
#-----------------------------------
from time import sleep
print( "We'll start off by sleeping 5 seconds" )
sleep( 5 )
print( "Ok, time to wake up!" )
wait_time = int( input( "How much longer would you like to sleep? " ) )
while wait_time > 0:
 print("Ok, we'll sleep for "+str(wait_time)+" more seconds...")
 sleep( wait_time )
 wait_time = int(input("How much longer would you like to sleep?"))
print( "We're done!" )