>>> from p1 import control

>>> control(['AX1-TEMP:43-HUM:66-ON', 'BY2-TEMP:120-HUM:100-OFF'])
[('AX1', 43, 66)]

>>> lc1 = ['AX1-TEMP:9-HUM:8-ON', 'BT3-TEMP:149-HUM:89-OFF', 'AX2-TEMP:56-HUM:45-ON', 'GH5-TEMP:59-HUM:74-OFF']
>>> control(lc1)
[('AX1', 9, 8), ('AX2', 56, 45)]

>>> lc2 = ['GH5-TEMP:59-HUM:74-ON', 'AX2-TEMP:43-HUM:67-ON', 'AX1-TEMP:62-HUM:89-ON', 'AX1-TEMP:56-HUM:45-ON']
>>> control(lc2)
[('AX1', 56, 45), ('AX1', 62, 89), ('AX2', 43, 67), ('GH5', 59, 74)]

>>> lc3 = ['AX1-TEMP:111-HUM:74-ON', 'AX2-TEMP:43-HUM:67-ON', 'AX1-TEMP:62-HUM:89-OFF', 'AX1-TEMP:131-HUM:74-ON']
>>> control(lc3)
[('AX1', 111, 74), ('AX1', 131, 74), ('AX2', 43, 67)]

>>> lc4 = ['AX1-TEMP:62-HUM:74-OFF', 'AX2-TEMP:43-HUM:67-OFF', 'AX1-TEMP:62-HUM:89-OFF', 'AX1-TEMP:62-HUM:45-OFF']
>>> control(lc4)
[]

>>> lc5 = ['BX1-TEMP:6-HUM:7-ON', 'CX2-TEMP:43-HUM:67-OFF', 'DX1-TEMP:112-HUM:89-OFF', 'EX1-TEMP:104-HUM:100-ON']
>>> control(lc5)
[('BX1', 6, 7), ('EX1', 104, 100)]

>>> lc6 = ['AX1-TEMP:43-HUM:66-ON', 'BY2-TEMP:12-HUM:50-OFF', 'CT3-TEMP:27-HUM:48-ON']
>>> control(lc6)
[('AX1', 43, 66), ('CT3', 27, 48)]