make me hero

# guizero - Hero name generator
from guizero import App, Text, ButtonGroup, Combo, PushButton, TextBox, CheckBox
app = App(title="Hero-o-matic")
# Function definitions for your events go here.
def pickhero():
    if pickmum.value == 1:
        superhero_name.value= pickmum.text
    if pickdad.value == 1:
        superhero_name.value= pickdad.text
    if pickman.value == 1:
        superhero_name.value= pickman.text
def make_hero_name():

    superheroname = superhero_name.value
    adjective = bgp_adjective.value
    colour = txt_colour.value
    animal = cmb_animal.value
    hero = adjective + " " + colour + " " + animal
    lbl_output.value = "You are  " + superheroname + " . The " + hero + "."

# Your GUI widgets go here
message1 = Text(app, text="Choose an adjective")
bgp_adjective = Combo(app, options=["Amazing", "Bonny", "Charming", "Delightful","Lovely"], selected="Bonny", width=20)
message2 = Text(app, text="Enter a colour?")
txt_colour = TextBox(app)
message3 = Text(app, text="Pick an animal")
cmb_animal = ButtonGroup(app, options=["Aardvark", "Badger", "Cat", "Dolphin", "Velociraptor","Turtle","Dog"], selected="Turtle")
questions_superhero = Text(app, text="Pick a name of superhero?")
pickmum = CheckBox(app, text="supermum", command=pickhero)
pickdad = CheckBox(app, text="superdad", command=pickhero)
pickman = CheckBox(app, text="superman", command=pickhero)
superhero_name = Text (app, text="Your pick superhero's name will appear here")
btn_make_name = PushButton(app, text='Make me a hero', command=make_hero_name)
lbl_output = Text(app, text="A hero name will appear here")

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