Dictionary example

Dtest.py

colours = {'red': (254, 0, 0), 'green': (0, 254, 0), 'blue': (0, 0, 254), 'black': (0, 0, 0) }

# functions

def displayColour(colour):
    global colours
    print(f"{colour}'s RGB Value is { colours[colour] }")


# Main

textColour = input('input colour choice: ')

# change text colour to lower case

textColour = textColour.lower()

if textColour in colours:
    displayColour(textColour)
else:
    print('Colour is not defined')