摘要: val = [expression for value in collection if condition]等价于val = []for value in collection: if condition: val.append(expression)列表推导在python2中存在变量泄漏的问题: 阅读全文
posted @ 2018-11-26 10:36 丁壮 阅读(327) 评论(0) 推荐(0) 编辑