Implement the look
method of the Dress
class. The look
method returns a Dress
instance's current color when the number of times that the instance's look
method has ever been invoked evenly divides the total number times that the look
method of any Dress
instance has ever been invoked. Otherwise, the instance's color
changes to the most recently returned color from any call to look
, and None
is returned.
class Dress:
"""
What color is the dress?
>>> blue = Dress('blue')
>>> blue.look()
'blue'
>>> gold = Dress('gold')
>>> gold.look()
'gold'
>>> blue.look() # 2 does not evenly divide 3; changes to gold
>>> Dress('black').look()
'black'
>>> gold.look() # 2 does not evenly divide 5; changes to black
>>> gold.look() # 3 evenly divides 6
'black'
>>> Dress('white').look()
'white'
>>> gold.look() # 4 evenly divides 8
'black'
>>> blue.look() # 3 evenly divides 9
'gold'
"""
seen = 0
color = None
def __init__(self, color):
self.color = color
self.seen = 0
def look(self):
=
=
if :
=
return
else:
=