function definition. invalid index to scalar variable. PYTHON

Question

def fun(x, k):
    return k[0] * x**5 + k[1] * x**4

I want to create a function with a many different coefficients (that code contains only two for example) which I want to pass as a list. Why can't I submit a list? I get an error "invalid index to scalar variable".

Answer 1

If you pass a list type variable to the function, then everything should work. The error looks like you are passing a number to the function. To avoid confusion, you can use type hints, like this: def fun(x: float, k: list):. Еhen the IDE will indicate a possible error (if you are using an IDE ofk)

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function definition. invalid index to scalar variable. PYTHON

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