mailto = ['cc', 'bbbb', 'afa', 'sss', 'bbbb', 'cc', 'shafa']
addr_to = list(set(mailto))
addr_to.sort(key = mailto.index)
mailto = ['cc', 'bbbb', 'afa', 'sss', 'bbbb', 'cc', 'shafa']
addr_to = list(set(mailto))
addr_to.sort(key = mailto.index)
本文标题:[python]set去重后按照原列表排序
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