Python GUI guizero: CheckBox and Combo

# This Python code is a demo of the GUI guizero (with PushButton trigger)
# guizero works with tkinter but simpler with extra widgets eg. Slider
# https://lawsie.github.io/guizero/slider/
# guizero - Hero name generator
from guizero import App, Text, CheckBox, Combo, PushButton, TextBox
app = App(title="Hero-o-matic")

# Function definitions for your events go here.
def make_hero_name():
    adjective = bgp_adjective.value
    colour = txt_colour.value
    animal = cmb_animal.value
    if (cbSuper.value <= 0): # not checked
        honour = ""
    else:
        honour = "Super "

    hero = honour + adjective + " " + colour + " " + animal
    lbl_output.value = "You are... The " + hero + "."

# -- GUI widgets .. starting with a main heading Text ------------------------
h1 = Text(app, text="Hero-o-matic generator", size=26, color="#CC3333", font="Times New Roman")

message1 = Text(app, text="Choose an adjective")
bgp_adjective = Combo(app, options=["Amazing", "Bonny", "Charming", "Delightful", "Vundebar"], selected="Amazing", width=20)

message2 = Text(app, text="Enter a colour?")
txt_colour = TextBox(app)

message3 = Text(app, text="Pick an animal")
cmb_animal = Combo(app, options=["Aardvark", "Badger", "Cat", "Dog", "Dolphin", "Velociraptor"], selected="Aardvark", width=20)

cbSuper = CheckBox(app, text="Super")

btn_make_name = PushButton(app, text='Make me a hero', command= make_hero_name ) # event handler linked here
lbl_output = Text(app, text="A hero name will appear here")

# -- Set STYLING & other properties -------------------------------------------
# App ..
app.bg = "#DDDD33"
# Make me a hero: PushButton
btn_make_name.text_size = 16
btn_make_name.bg = "#CC3333"
btn_make_name.text_color = "#FFFFFF"

# Set up event triggers here ?

# Show the GUI on the screen, start listening to events.
app.display()