python中sleep函数用法演示的代码

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#------------------------------------------------------------------------------

#          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!" )