import pandas as pd
df = pd.DataFrame({
'car_Number':[3024,3024,3024,3024,5551,5551,5551],
'shipment_Number':[187,182,132,145,232,293,211],
'volume':[46,65,33,88, 100,57,82],
'list_of_Cities_its_passing_through':[set([1, 2, 3, 4])
, set([2, 3, 4]), set([8, 9, 10, 11, 12],set([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]) , set([1, 2, 3]) , set([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]) , set([4, 5, 6, 7])]
})

car_Number  shipment_Number volume list_of_Cities_its_passing_through
 5551         232            100     set([1, 2, 3])
 5551         293            57     set([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15])
 5551         211            82      set([4, 5, 6, 7])