<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def attach_attrs_table(key, value, fmt, meta):
 """Extracts attributes and attaches them to element."""


    # We can't use attach_attrs_factory() because Table is a block-level element
    if key in ['Table']:
        assert len(value) == 5
        caption = value[0]  # caption, align, x, head, body

        # Set n to the index where the attributes start
        n = 0
        while n < len(caption) and not \
          (caption[n]['t'] == 'Str' and caption[n]['c'].startswith('{')):
            n += 1

        try:
            attrs = extract_attrs(caption, n)
            value.insert(0, attrs)
        except (ValueError, IndexError):
            pass