Returned the infamous no_duplicates example, not yet ready

README.md

@@ -33,13 +33,14 @@ List
 ```
 
 ```python
-list_of_chars    = list(<str>)
 sum_of_elements  = sum(<collection>)
 elementwise_sum  = [sum(pair) for pair in zip(list_a, list_b)]
 sorted_by_second = sorted(<collection>, key=lambda el: el[1])
 sorted_by_both   = sorted(<collection>, key=lambda el: (el[1], el[0]))
 flattened_list   = list(itertools.chain.from_iterable(<list>))
+list_of_chars    = list(<str>)
 product_of_elems = functools.reduce(lambda out, x: out * x, <collection>)
+no_duplicates    = list(dict.fromkeys(<list>))
 ```
 
 ```python