with
自动管理上下文
数据库连接
多线程
#写文件的函数 filename,content
#写文件的函数 filename,content def write_file(filename:str,content:str,type:int=1): with open(filename,‘w‘) as fw: fw.write(content) def read_file(filename): with open(filename,) as fw: return fw.read()
#调用函数写入文件、读取文件
write_file("a.txt","huahuacheng",2) print(read_file("a.txt"))
原文：https://www.cnblogs.com/huahuacheng/p/14258945.html