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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 is_valid_aesthetic(value, ae):
 """ Return True if `value` looks valid. Parameters value : object Value to check ae : str Aesthetic name Returns ------- out : bool Whether the value is of a valid looking form. Notes ----- There are no guarantees that he value is spot on valid. """


    if ae == 'linetype':
        named = {'solid', 'dashed', 'dashdot', 'dotted',
                 '_', '--', '-.', ':', 'None', ' ', ''}
        if value in named:
            return True

        # tuple of the form (offset, (on, off, on, off, ...))
        # e.g (0, (1, 2))
        conditions = [isinstance(value, tuple),
                      isinstance(value[0], int),
                      isinstance(value[1], tuple),
                      len(value[1]) % 2 == 0,
                      all(isinstance(x, int) for x in value[1])]
        if all(conditions):
            return True
        return False

    elif ae == 'shape':
        if isinstance(value, str):
            return True

        # tuple of the form (numsides, style, angle)
        # where style is in the range [0, 3]
        # e.g (4, 1, 45)
        conditions = [isinstance(value, tuple),
                      all(isinstance(x, int) for x in value),
                      0 <= value[1] < 3]
        if all(conditions):
            return True
        return False

    elif ae in {'color', 'fill'}:
        if isinstance(value, str):
            return True
        with suppress(TypeError):
            if (isinstance(value, (tuple, list)) and
                    all(0 <= x <= 1 for x in value)):
                return True
        return False

    # For any other aesthetics we return False to allow
    # for special cases to be discovered and then coded
    # for appropriately.
    return False