Introduction to Sets - Hacker Rank Solution | Apna Hindi Tech | Python Hacker Rank

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Set Tutorial In Python :-

• Set Data Type In Hindi - Python
  

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Problem:- Introduction to Sets -Hacker Rank Solution

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Task :-

Now, let's use our knowledge of sets and help Mickey.

Ms. Gabriel Williams is a botany professor at District College. One day, she asked her student Mickey to compute the average of all the plants with distinct heights in her greenhouse.

Formula used:

Input Format

The first line contains the integer, , the total number of plants.
The second line contains the  space separated heights of the plants.

Constraints :-

Output Format :-

Output the average height value on a single line.

Sample Input :-

10

161 182 161 154 176 170 167 171 170 174

Sample Output :-

169.375

Explanation :-

Here, set is the set containing the distinct heights. Using the sum() and len() functions, we can compute the average.

Solution :-

def average(array):

    # your code goes here

    s=set()

    s.update(array)

    return(sum(s)/len(s))

        

if __name__ == '__main__':

    n = int(input())

    arr = list(map(int, input().split()))

    result = average(arr)

    print(result)

Video Tutorial :-

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