list_a = [1.1, 3.3, 5.5]
list_b = [2.2, 4.4, 6.6]

new_list = sorted(list_a + list_b)
print(new_list)

dict_a = {}
dict_b = {}
for index, item in enumerate(new_list, 1):
    if item in list_a:
        dict_a[index] = item
    else: 
        dict_b[index] = item 

print (dict_a)
print (dict_b)