In [1]:

    

some_list = [1,2,3]
print (some_list)


    

    




[1, 2, 3]

In [2]:

    

list_one = some_list
list_two = some_list
list_one.append(4)
list_two.pop(2)
print (list_one)
print (list_two)


    

    




[1, 2, 4]
[1, 2, 4]

In [3]:

    

list_three = [3, 8, 9]


    

In [4]:

    

some_list.append(4)
print (some_list)


    

    




[1, 2, 4, 4]

In [5]:

    

some_list.pop(1)
print (some_list)


    

    




[1, 4, 4]

In [6]:

    

print (list_one)
print (list_two)
merged_list = list_one + list_two + list_three
merged_list.insert(0, 7)
print (merged_list)


    

    




[1, 4, 4]
[1, 4, 4]
[7, 1, 4, 4, 1, 4, 4, 3, 8, 9]

In [7]:

    

unique_list = list(set(list_one + list_two + list_three))
print (unique_list)


    

    




[1, 3, 4, 8, 9]

In [ ]: