python-3.x – Python错误消息io.UnsupportedOperation:不可读
发布时间:2020-12-20 10:34:03 所属栏目:Python 来源:网络整理
导读:我做了一个简单的程序,但是当我运行它时会显示以下错误: line1 = []line1.append("xyz ")line1.append("abc")line1.append("mno")file = open("File.txt","w")for i in range(3): file.write(line1[i]) file.write("n")for line in file: print(line)file.
我做了一个简单的程序,但是当我运行它时会显示以下错误:
line1 = [] line1.append("xyz ") line1.append("abc") line1.append("mno") file = open("File.txt","w") for i in range(3): file.write(line1[i]) file.write("n") for line in file: print(line) file.close() 它显示以下错误消息:
解决方法
您打开文件为w,代表可写.
使用w你将无法读取文件.请改用以下内容: file = open("File.txt","r") 此外,以下是其他选项: "r" Opens a file for reading only. "r+" Opens a file for both reading and writing. "rb" Opens a file for reading only in binary format. "rb+" Opens a file for both reading and writing in binary format. "w" Opens a file for writing only. (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |