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                            # 判斷語句介紹

## 生活中的判斷場景

火車站安檢

![![進火車站](../Images/01-第2天-1.png)
](images/screenshot_1593858648162.png)
上網吧

![](https://img.kancloud.cn/8e/06/8e06087b30026de92f7b0408565adfd5_500x335.png)

密碼判斷

![](https://img.kancloud.cn/0c/99/0c995e7448b464dbc5495ed35b3f1e8d_500x281.png)

小總結：

*   如果某些條件滿足，才能做某件事情；條件不滿足時，則不能做，這就是所謂的判斷。
*   不僅生活中有，在軟件開發中"判斷"功能也經常會用到
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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