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URL : https://www.hackerrank.com/challenges/itertools-combinations/problem This tool returns the length subsequences of elements from the input iterable. Combinations are emitted in...

URL : https://www.hackerrank.com/challenges/iterables-and-iterators/problem The itertools module standardizes a core set of fast, memory efficient tools that are useful by themsel...

URL : https://www.hackerrank.com/challenges/py-introduction-to-sets/problem Task Now, let’s use our knowledge of sets and help Mickey. Ms. Gabriel Williams is a botany...

URL : https://www.hackerrank.com/challenges/finding-the-percentage/problem The provided code stub will read in a dictionary containing key/value pairs of name:[marks] for a list o...

URL : https://www.hackerrank.com/challenges/find-second-maximum-number-in-a-list/problem Given the participants’ score sheet for your University Sports Day, you are required to fi...

URL : https://www.hackerrank.com/challenges/find-a-string/problem In this challenge, the user enters a string and a substring. You have to print the number of times that the subst...

URL : https://www.hackerrank.com/challenges/designer-door-mat/problem Mr. Vincent works in a door mat manufacturing company. One day, he designed a new door mat with the following...

URL : https://www.hackerrank.com/challenges/compress-the-string/problem In this task, we would like for you to appreciate the usefulness of the groupby() function of itertools . T...

URL : https://www.hackerrank.com/challenges/capitalize/problem You are asked to ensure that the first and last names of people begin with a capital letter in their passports. For examp...

URL : https://www.hackerrank.com/challenges/python-arithmetic-operators/problem Task The provided code stub reads two integers from STDIN, and . Add code to print three lin...