Use repr:
>>> LoT
[(1, 2), (3, 4), (5, 6)]
>>> repr(LoT)
'[(1, 2), (3, 4), (5, 6)]'
Your code does not add the [..]
braces for the list. If you do not want the list braces you can strip those off:
>>> repr(LoT).strip('[]')
'(1, 2), (3, 4), (5, 6)'