Something that confuses me in python
So given the following:
def f(x=[]):
x.append(1)
return x
print(f(),f())
The output is [1, 1] [1, 1]
So it seems like the function creates a global list which it appends to whenever it is called without parameters, and returns a reference to that single list. Can anyone explain this to me? Why isn't it local to the function, and recreated as an empty list for each call?
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