nested_list.py

original_list=[1,2,3,[4,5]]
#Copying list using list comprehension
copied_list=original_list.copy()
print(copied_list)
#Output:[1, 2, 3, [4, 5]]
print(original_list)
#Output:[1, 2, 3, [4, 5]]

#modifying original_list
original_list[3].append(6)
print(original_list)
#Output:[1, 2, 3, [4, 5, 6]]
print(copied_list)
#Output:[1, 2, 3, [4, 5, 6]]