摘要: 一、r+模式 # with open(r'a.txt',mode='r+',encoding='utf-8') as f: # print(f.readable()) # True # print(f.writable()) # True # print(f.readline()) # 会将”a.t 阅读全文
posted @ 2019-07-08 19:28 小青年て 阅读(173) 评论(0) 推荐(0)