Learn Interfaces by Building an Equation Solver - Step 64

Python
1

Tell us what’s happening:

Hi together,

I am stuck in step 64 now.
the preview looks okay.

But I tried again and again, but still there’s a tip:
“Your solver function should return a different string.”
Anyone can help me?
Thanks in advance for helping!

Your code so far

# User Editable Region

    details = equation.analyze()
    match details:
        case {'slope': slope, 'intercept': intercept}:
            details_list = [f'slope = {slope:.3f}', f'y-intercept = {intercept:.3f}']
        case {'x': x, 'y': y, 'min_max': min_max, 'concavity': concavity}:
            details_list = [f'concavity  = {concavity}', f'{min_max} = ({x:.3f}, {y:.3f})']
    for detail in details_list:
        output_string += f'{detail}\n'
    return output_string

# User Editable Region

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Challenge Information:

Learn Interfaces by Building an Equation Solver - Step 64

2

The problem is that the output_string variable might not be correctly initialized or might be missing previous content that the test expects.

Solution: Ensure that output_string is initialized as an empty string at the beginning of your function (if it isn’t already) and that any required text from earlier steps is added to output_string before this match block. The test expects a specific final string, so all parts must be present.

3

you have an extra space here before the equal sign

What @Kaihar is saying is unnecessary, just remove the extra space