blink chapter 6 summary

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Python Training Knowledge Summary Series-chapter II Python data Structure Part III-dictionaries, collections

Write a function remove_duplicates that takes the list as an argument and returns a new list that contains the unique elements in the source list. Elements that do not recur in the new list can take any order.Target=[]def remove_duplicates (list):For each in list:If each isn't in target:Target.append (each)return targetA collection is a collection of unique elements, without any particular sort. We can create a collection from a list like this:Country_ set = set (countries)Len (Country_set)196Ad

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