Convert between collection types freely:
my_list = [1, 2, 2, 3, 3, 3]
my_tuple = tuple(my_list) # (1, 2, 2, 3, 3, 3)
my_set = set(my_list) # {1, 2, 3}
back_to_list = list(my_set) # [1, 2, 3] (order may vary)
Common patterns:
# Remove duplicates from list
unique = list(set(original)) # Order not preserved
# Get sorted unique values
sorted_unique = sorted(set(original))
Converting to set and back is a quick deduplication trick, but remember that sets don't preserve order.