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First solution in Clear category for Multicolored Lamp by berserk9779
class Lamp:
colors = ['Green', 'Red', 'Blue', 'Yellow']
def __init__(self):
self.state = 'Yellow'
def light(self):
self.color_index = self.colors.index(self.state) + 1
if self.color_index > 3:
self.color_index -= 4
self.state = self.colors[self.color_index]
return self.state
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
lamp_1 = Lamp()
lamp_2 = Lamp()
lamp_1.light() #Green
lamp_1.light() #Red
lamp_2.light() #Green
assert lamp_1.light() == "Blue"
assert lamp_1.light() == "Yellow"
assert lamp_1.light() == "Green"
assert lamp_2.light() == "Red"
assert lamp_2.light() == "Blue"
print("Coding complete? Let's try tests!")
May 9, 2019
