摘要: def write_file(): """ 文件写入""" file_name = "wri2te_test.txt" # 以写入的方式打开 f = open(file_name,'w') # 写入内容 f.write('hello') # 换行符 f.write('\n') # 写入内容 f.wr 阅读全文
posted @ 2019-08-01 11:27 EricBlog 阅读(9946) 评论(0) 推荐(0)
摘要: def read_file(): """ 读取文件 """ file_name = 'test.txt' # 打开文件 # f = open(file_name, encoding = 'utf-8') with open(file_name, encoding = 'utf-8') as f: # 阅读全文
posted @ 2019-08-01 10:49 EricBlog 阅读(315) 评论(0) 推荐(0)
摘要: ## def use_filer(l):## # 过滤偶数# rest = filter(lambda n: n % 2 != 0, l)# return rest## if __name__ == '__main__':# l = [1,2,3,4,5,6,7,8,9,10,11]# rest = 阅读全文
posted @ 2019-08-01 10:14 EricBlog 阅读(284) 评论(0) 推荐(0)