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Is it possible to build an empty constructor in Python? I'm in a class:
class Point: def __init__(self, x, y, z): self.x = x self.y = y self.z = z
Now I initialise it as follows:
p = Point(0, 5, 10)
How do I make an empty constructor and initialise it as follows:
p = Point()
This is what I'm considering:
class Point: def __init__(self, x=0, y=0, z=0): self.x = x self.y = y self.z = z
This works, but use caution. Any mutable types (objects, arrays, etc.) that are passed over will be shared by all instances.
According to this article, I should define the Point class's __init__() function with optional arguments. Is that right? I don't understand.