from guizero import App, TextBox, PushButton, Text, info
app = App()

def btn_go_clicked():
    info("Greetings","Hello, Your Name is " + txt_name.value + " and you like "+ txt_animal.value )

lbl_name = Text(app, text="Hello. What's your name?")
txt_name = TextBox(app)
lbl_animal = Text(app, text="Which animal do you like best?")
txt_animal = TextBox(app)
btn_go = PushButton(app, command=btn_go_clicked, text="Show the message")

app.display()