# back

**Description** : The list::back() function in C++ STL returns a direct reference to the last element in the list container.

**Example**:
```cpp
    // Initialization of list 
    std::list<int> demo_list; 
  
    // Adding elements to the list 
    demo_list.push_back(10); 
    demo_list.push_back(20); 
    demo_list.push_back(30); 
  
    // prints the last element of demo_list 
    std::cout << demo_list.back(); 

```
**[Run Code](https://rextester.com/TMRQJ2841)**