.remove(x)This operation removes element from the set.If element does not exist, it raises a KeyError.The .remove(x) operation returns None.Example>>> s = set([1, 2, 3, 4, 5, 6, 7, 8, 9])>>> s.remove(5)>>> print sset([1, 2, 3, 4,…
You are given words. Some words may repeat. For each word, output its number of occurrences. The output order should correspond with the input order of appearance of the word. See…
Building A Pocket-Sized Python PlaygroundBuilding A dense Python PlaygroundLike several people, [Ramin Assadollahi] includes a bound fondness for the computers of time. Finding his itch for nearly instant boot times and blank metal programming weren’t being adequately scraped by any of his trendy devices,…
itertools.combinations_with_replacement(iterable, r)This tool returns length subsequences of elements from the input iterable allowing individual elements to be repeated more than once.Combinations are emitted in lexicographic sorted order. So, if the input iterable…
If we want to add a single element to an existing set, we can use the .add() operation.It adds the element to the set and returns 'None'.Example>>> s = set('HackerRank')>>> s.add('H')>>> print…
You are given a string . Your task is to find out whether is a valid regex or not. Input Format The first line contains integer , the number of test cases. The next lines…
itertools.combinations(iterable, r)This tool returns the length subsequences of elements from the input iterable.Combinations are emitted in lexicographic sorted order. So, if the input iterable is sorted, the combination tuples will be…
ObjectiveToday, we're learning about a new data type: sets.ConceptIf the inputs are given on one line separated by a character (the delimiter), use split() to get the separate values in the form of…
collections.OrderedDictAn OrderedDict is a dictionary that remembers the order of the keys that were inserted first. If a new entry overwrites an existing entry, the original insertion position is left unchanged.ExampleCode>>> from…
There is an array of integers. There are also disjoint sets, and , each containing integers. You like all the integers in set and dislike all the integers in set . Your initial happiness is . For each integer…
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