def main():
garden = Garden()
flower1 = Flowers("yellow")
flower2 = Flowers("blue")
tree1 = Trees("purple")
tree2 = Trees("orange")
garden.add(flower1)
garden.add(flower2)
garden.add(tree1)
garden.add(tree2)
garden.describe_garden()
garden.watering(40)
garden.watering(70)
