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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _define_fixed(wrapped, callable_):
 """For the callable see how many positional parameters are required"""

    is_class = inspect.isclass(wrapped)
    style = callable_._splpy_style if hasattr(callable_, '_splpy_style') else wrapped._splpy_style

    if style == 'dictionary':
        return -1

    fixed_count = 0
    if style == 'tuple':
        sig = _inspect.signature(callable_)
        pmds = sig.parameters
        itpmds = iter(pmds)
        # Skip 'self' for classes
        if is_class:
            next(itpmds)

        for pn in itpmds:
            param = pmds[pn]
            if param.kind == _inspect.Parameter.POSITIONAL_OR_KEYWORD:
                fixed_count += 1
            if param.kind == _inspect.Parameter.VAR_POSITIONAL: # *args
                fixed_count = -1
                break
            if param.kind == _inspect.Parameter.VAR_KEYWORD:
                break
    return fixed_count