OptionParse模块下类的学习
官网链接:https://docs.python.org/3/library/optparse.html
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-f", "--file", dest="filename",
help="write report to FILE", metavar="FILE")
(options, args) = parser.parse_args()
print(options,type(options),args,type(args)) #print(type([])) 结果:<class "list">


