Hello,
I have a class called 'Axis' that I use as a base class for several
types of axes that can be created by a grid generation program that I
have written: equally-spaced grids, logarithmic grids, etc. In any
case, if I use this base class by itself, I see some puzzling
behaviour:
#############
class Axis:
ends = []
N = None
def __init__(self):
pass
x = Axis()
y = Axis()
z = Axis()
x.ends.append((0,2))
print x.ends,y.ends,z.ends
#############
Running the following code outputs:
>>> [(0, 2)] [(0, 2)] [(0, 2)]
Can anyone explain this?
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