Python and Lambdas

I come from a functional programming background, so I a lot of love for functions and so-called anonymous functions or lambdas. However, I have realised that I don’t make use of Python’s lambda syntax… Read more

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Python: default argument blunders

A few minutes ago a friend sent me the following code, and told me its misbehaving: def foo(l=[]): l.append("hello!") print(l) foo() foo() Instead of printing ["hello"] twice, it printed ["hello", "hello"]. Any ideas why? what's going on? I'll... (more…)

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