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OptionParser用於處理命令行參數
使用OptionPrser步驟:
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from optparse import OptionParser
parse = OptionParser()
parse.add_option("-s","--host",dest="host",help="ip地址")
parse.add_option("-p","--port",dest="port",action='store',help="端口號")
parse.add_option("-U","--username",dest="username",help="登錄用戶名")
parse.add_option("-P","--password",dest="password",help="登錄密碼")
(option,args)=parse.parse_args()