Python GUI guizero basic demo: firstgui.py

# This Python code is a basic demo of the GUI guizero
# guizero works with tkinter but simpler with extra widgets eg. Slider
# https://lawsie.github.io/guizero/slider/
# firstgui.py
from guizero import App, Text
app = App( title="Hi there", bg = "#FFFF00", width = 700 )
#---------------
# create widgets .. specify some starting parameters
firstmessage  = Text(app, text="This is big text", color='red')
secondmessage = Text(app, text="This is green")
message3 = Text(app, text="This is message3 in font Times New Roman", font="Times New Roman")
#-----------------------
# adjust widget settings - using properties
firstmessage.text_size = 40
secondmessage.bg = "green"

message3.text_size = 24
message3.text_color = "cyan"
message3.bg = 'magenta'
#----------
app.display()