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                            # 字典的常見操作2

### 1\. len()

測量字典中，鍵值對的個數

![](https://img.kancloud.cn/ce/35/ce3574f79612559e5eb9a734e6e837ec_463x74.png)
### 2\. keys

返回一個包含字典所有KEY的列表

![](https://img.kancloud.cn/57/fb/57fbcb7e69e066e0cda27b90ec18f5b0_380x78.png)
### 3\. values

返回一個包含字典所有value的列表

![](https://img.kancloud.cn/0c/40/0c4061752a1af006e8ec790fbcaebd49_383x76.png)
### 4\. items

返回一個包含所有（鍵，值）元祖的列表

![](https://img.kancloud.cn/26/54/265467e2b220a9fd8b1be7eefa09fdf3_367x79.png)
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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