#Defining a function
def is_aggregated(lst):
    return any(isinstance(item, (list, tuple, set, frozenset)) for item in lst)

#Creating a list
my_list1 = [1, 2, 3]
my_list2 = [1, [2, 3], 4]
my_list3 = [1, [2, [3, 4]], 5]

#Checking nesting
print(is_aggregated(my_list1))  # False
print(is_aggregated(my_list2))  # True
print(is_aggregated(my_list3))  # True