文件操作

第四章节 文件操作

4.1 文件基本操作

python v1 = open("文件路径",mode= "干什么" encoding = "编码") v1.writh v1.read v1.append 关闭: v1.close

1. w /r /a 【只读只写】

python v1 = open("文件路径" mode = "w" encoding = "utf - 8") v1.writh v1.close

1. w+/r+/a+【可读可写】

2. wb /rb /ab 【二进制只读只写】

3. w+b/r+b/a+b 【二进制可读可写】

```python user = [ {"name":"alex","pwd":"18"}, #alex|18 {"name":"oldboy","pwd":"19"} ] for i in user: a = "%s|%s"%(i["name"],i["pwd"]) print(a)

```

文件操作

原文：https://www.cnblogs.com/wudongmin/p/12259219.html