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[TOC]

# 打開文件
在python，使用open函數，可以打開一個已經存在的文件，或者創建一個新文件

`open(文件名，訪問模式)`

示例如下：

~~~
f = open('test.txt', 'w')
~~~

![](https://box.kancloud.cn/bfa0c6e3cd414857c170b81c61398056_780x692.png)

# 關閉文件

`close( )`

示例如下：

~~~
# 新建一個文件，文件名為:test.txt
f = open('test.txt', 'w')

# 關閉這個文件
f.close()
~~~

# 文件訪問模式

![](https://box.kancloud.cn/18d014ce4aa0a4c4c834c0f6f8b643b4_1326x641.png)

![](https://box.kancloud.cn/393fa0bdece6f5c6069175de45851c46_1223x346.png)







                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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