PROGRAMMING:Hello World

This is the first example of learning each programming language. ‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‭‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‪‬
Output Hello world, pay attention to the case.
###Input format:
nothing
###Output format:
Hello World
###Input example:
Here is a set of inputs. For example:
```in
```
###Output example:
The corresponding output is given here. For example:
```out
Hello World
```







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