[[('T0931', 'AB', '0.7826705747628963')], [('T0932', 'AB',
    '0.63950861050628')], [('T0933', 'AB', '0.8960345460457968'), ('T0933',
    'AF', '0.8951297220212914'), ('T0933', 'BC', '0.8951297782393018'), (
    'T0933', 'CD', '0.8951298105762795'), ('T0933', 'DE',
    '0.8951299080330034'), ('T0933', 'EF', '0.8941510860547524')], [(
    'T0932', 'AB', '0.63950861050628')], [('T0933', 'AB',
    '0.8960345460457968'), ('T0933', 'AF', '0.8951297220212914'), ('T0933',
    'BC', '0.8951297782393018'), ('T0933', 'CD', '0.8951298105762795'), (
    'T0933', 'DE', '0.8951299080330034'), ('T0933', 'EF',
    '0.8941510860547524')]]
grouping items in a list of lists containing tuples python