PROGRAMMING:Number Triangles
Output 5 lines of digital pyramid.
###Input format:
There is no input for this question.
###Output format:
Output 5 lines of digital pyramid, with a space between each line of numbers.
###Input example:
```in
```
###Output example:
```out
one
2 2
3 3 3
4 4 4 4
5 5 5 5 5
```
answer：If there is no answer, please comment
###Input format:
There is no input for this question.
###Output format:
Output 5 lines of digital pyramid, with a space between each line of numbers.
###Input example:
```in
```
###Output example:
```out
one
2 2
3 3 3
4 4 4 4
5 5 5 5 5
```
answer：If there is no answer, please comment