import bpy

# Clear all existing objects
for obj in list(bpy.data.objects):
    bpy.data.objects.remove(obj, do_unlink=True)

# Set Units
scene = bpy.context.scene
scene.unit_settings.system = 'METRIC'
scene.unit_settings.scale_length = 0.001  # 1 BU = 1 mm

# Create cylinder
bpy.ops.mesh.primitive_cylinder_add(
    vertices=32, radius=10.0, depth=20.0,
    end_fill_type='NGON', calc_uvs=True,
    enter_editmode=False, align='WORLD',
    location=(0.0, 0.0, -2.0), rotation=(0.0, 0.0, 0.0),
    scale=(1, 1, 1)
)

# Name cylinder
obj = bpy.context.active_object
obj.name = "MyCylinder"

# Frame Selected 
for area in bpy.context.window.screen.areas:
    if area.type == 'VIEW_3D':
        for region in area.regions:
            if region.type == 'WINDOW':
                with bpy.context.temp_override(area=area, region=region):
                    bpy.ops.view3d.view_selected(use_all_regions=False)
                break
        break