![example picture for get_vertex_y()](/images/reference/Py5Shape_get_vertex_y_0.png)
```python
def setup():
s1 = py5.create_shape()
s1.begin_shape()
s1.vertex(20, 80)
s1.vertex(80, 80)
s1.vertex(50, 20)
s1.end_shape(py5.CLOSE)
py5.shape(s1)
y_values = [s1.get_vertex_y(i) for i in range(s1.get_vertex_count())]
py5.println(s1.get_height(), min(y_values), max(y_values)) # 80, 20, 80
```
![example picture for get_vertex_y()](/images/reference/Py5Shape_get_vertex_y_1.png)
```python
def setup():
py5.size(100, 100, py5.P3D)
py5.sphere_detail(8)
s1 = py5.create_shape(py5.SPHERE, 40)
y_values = [s1.get_vertex_y(i) for i in range(s1.get_vertex_count())]
py5.shape(s1, 50, 50)
py5.println(s1.get_height(), min(y_values), max(y_values)) # 80, -40, 40
```