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Step 10

curriculum/challenges/english/blocks/learn-the-bisection-method-by-finding-the-square-root-of-a-number/65ef1afca9a8f6be0d4150ba.md

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--description--

Set the value of root to None as at this point, you don't have an approximate value yet.

--hints--

The value of root should be None.

js
({
    test: () => 
    {
        assert(runPython(`_Node(_code).find_function("square_root_bisection").find_ifs()[1].find_bodies()[2].is_equivalent("low = 0\\nhigh = max(1, square_target)\\nroot = None")`));
    }
})

--seed--

--seed-contents--

py
def square_root_bisection(square_target, tolerance=1e-7, max_iterations=100):
    if square_target < 0:
        raise ValueError('Square root of negative number is not defined in real numbers')
    if square_target == 1:
        root = 1
        print(f'The square root of {square_target} is 1')
    elif square_target == 0:
        root = 0
        print(f'The square root of {square_target} is 0')
--fcc-editable-region--
    else:
        low = 0
        high = max(1, square_target)

--fcc-editable-region--