Finding the percentage in Python | HackerRank Programming Solutions | HackerRank Python Solutions

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Introduction To Python

Python is a widely-used, interpreted, object-oriented, and high-level programming language with dynamic semantics, used for general-purpose programming. It was created by Guido van Rossum, and first released on February 20, 1991.

Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. It is also used to create various machine learning algorithm, and helps in Artificial Intelligence. Python is a general purpose language, meaning it can be used to create a variety of different programs and isn’t specialized for any specific problems. This versatility, along with its beginner-friendliness, has made it one of the most-used programming languages today. A survey conducted by industry analyst firm RedMonk found that it was the most popular programming language among developers in 2020.

Link for the Problem – Finding the percentage in Python – Hacker Rank Solution

Finding the percentage in Python – Hacker Rank Solution

The provided code stub will read in a dictionary containing key/value pairs of name:[marks] for a list of students. Print the average of the marks array for the student name provided, showing 2 places after the decimal.

Example

The query_name is ‘beta’. beta’s average score is .

Input Format

The first line contains the integer , the number of students’ records. The next  lines contain the names and marks obtained by a student, each value separated by a space. The final line contains query_name, the name of a student to query.

Constraints

Output Format

Print one line: The average of the marks obtained by the particular student correct to 2 decimal places.

Sample Input 0

3
Krishna 67 68 69
Arjun 70 98 63
Malika 52 56 60
Malika

Sample Output 0

56.00

Explanation 0

Marks for Malika are  whose average is 

Sample Input 1

2
Harsh 25 26.5 28
Anurag 26 28 30
Harsh

Sample Output 1

26.50

Finding the percentage in Python – Hacker Rank Solution

if __name__ == '__main__':
    n = int(input())
    marks = {}

    for _ in range(n):
        name, *line = input().split()
        scores = list(map(float, line))
        scores=sum(scores)/3
        marks[name] = scores
    a = input()    
    
    print('%.2f' % marks[a])