如果所有因素都具有违约价值,那么能否将其中数项最后参数定在功能中?
例:ftplib.FTP
模块界定了这一点:
ftplib.FTP([host[, user[, passwd[, acct[, timeout]]]]])
所有这些参数都有缺省值,因此,你不需要确定这些参数,例如,你可以仅打电话ftp = ftplib.FTP(
,以获得FTP物体。 但是,如果我只制定<条码> 时标/条码>参数,那么什么呢? 我如何做到这一点?
如果所有因素都具有违约价值,那么能否将其中数项最后参数定在功能中?
例:ftplib.FTP
模块界定了这一点:
ftplib.FTP([host[, user[, passwd[, acct[, timeout]]]]])
所有这些参数都有缺省值,因此,你不需要确定这些参数,例如,你可以仅打电话ftp = ftplib.FTP(
,以获得FTP物体。 但是,如果我只制定<条码> 时标/条码>参数,那么什么呢? 我如何做到这一点?
是的,通过使用名称的论据,你可以具体指明姓氏价值。
ftp = ftplib.FTP(timeout=100)
You can pass this (or any other) parameter by name:
ftplib.FTP(timeout=10)
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