PROGRAMMING:Ancient Egypt - pyramids

Pyramid is a classic graphic arrangement problem after 99 multiplication voting
Title Requirements:
The user is required to control the number of layers of the tower body and complete the following gold font style;
###Input format:
four
###Output format:
*
***

**
###Input example:
Here is a set of inputs. For example:
```in
five
eight
```
###Output example:
The corresponding output is given here. For example:
```out
*
***

**
****
*
***

**
****
*
***

```







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