摘要: 逻辑运算符 a = 10,b = 20 if...elif...else语句 if condition_1: statement_block_1 elif condition_2: statement_block_2 else: statement_block_3 如果 "condition_1" 阅读全文
posted @ 2017-07-14 14:49 yangyangchunchun 阅读(318) 评论(0) 推荐(0) 编辑