我们有一个熊猫数据框df1：
CODE DESCRIPTION COUNT DEVICES_ID
00 Electrical surges 21 SAT1, SAT3, SAT5, SAT4, SAT2, SAT7
01 Overloading 1 SAT1, SAT0, SAT5, SAT9, SAT1]
02 Power sags and dips 12 SAT1, SAT3, SAT5, SAT0
03 A junction box that is uncovered 2 SAT1, SAT3, SAT5
40 Switches of light not working 1 SAT1, SAT3
05 Flickering light 4 SAT3, SAT7, SAT8, SAT0, SAT2
06 Tripping circuit breaker 5 SAT3, SAT1, SAT3, SAT4
07 Less outlets 20 SAT3, SAT2, SAT1
08 Electric shocks 21 SAT3, SAT4
09 Frequent burning out of light bulbs 22 SAT3
10 Overcircuited panel 12 SAT3, SAT9, SAT8, SAT4, SAT6
我们想要获得一个熊猫数据框：df2
CODE DESCRIPTION COUNT DEVICES_ID
00 Electrical surges 21 [“SAT1”, “SAT3”, “SAT5”, “SAT4”, “SAT2”, “SAT7”]
01 Overloading 1 [“SAT1”, “SAT0”, “SAT5”, “SAT9”, “SAT1”]
02 Power sags and dips 12 [“SAT1”, “SAT3”, “SAT5”, “SAT0”]
03 A junction box that is uncovered 2 [“SAT1”, “SAT3”, “SAT5”]
40 Switches of light not working 1 [“SAT1”, “SAT3”]
05 Flickering light 4 [“SAT3”, “SAT7”, “SAT8”, “SAT0”, “SAT2”]
06 Tripping circuit breaker 5 [“SAT3”, “SAT1”, “SAT3”, “SAT4”]
07 Less outlets 20 [“SAT3”, “SAT2”, “SAT1”]
08 Electric shocks 21 [“SAT3”, “SAT4”]
09 Frequent burning out of light bulbs 22 [“SAT3”]
10 Overcircuited panel 12 [“SAT3”, “SAT9”, “SAT8”, “SAT4”, “SAT6”]