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First solution in Clear category for Multicolored Lamp by Wienands
colors=["Green","Red","Blue","Yellow"]
class Lamp:
def __init__(self):
self.counter=-1
def light(self):
global colors
self.counter+=1
self.counter%=4
print (colors[self.counter])
return colors[self.counter]
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!")
March 5, 2019