Python Finding the Percentage - Hacker Rank Solution

Finding The Percentage - Hacker Rank Solution 

Hello coders, today we are going to solve Python Finding The Percentage Hacker Rank Solution.

Python Finding the Percentage - Hacker Rank Solution

Task

The provided code stub 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

marks key: value pairs are

'alpha':[20, 30, 40]

'beta':[30, 50, 70]

query_name = 'beta'

The query_name is 'beta'. beta's average score is (30 + 50 + 70)/3 = 50.0.

Input Format

The first line contains the integer n, the number of students's records. The next n 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.

Constrains

  • 2 ≤ n ≤ 10
  • 0 ≤ marks[i] ≤ 100
  • length of the marks array = 3

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 of Malika are {52, 56, 60} whose average is (52 +56 +60)/3 ⇒  56

Sample Input 1

2
Harsh 25 26.5 28
Anurag 26 28 30
Harsh

Sample Output 1

26.50

Python Finding The Percentage - Hacker Rank Solution

Python 3

if __name__ == '__main__':
    n = int(input())
    student_marks = {}
    for _ in range(n):
        name, *line = input().split()
        scores = list(map(float, line))
        student_marks[name] = scores
    query_name = input()
#finding the percentage in python - Hacker Rank Solution 
output = list(student_marks[query_name])    
per = sum(output)/len(output);
print("%.2f" % per);

Python finding the percentage Hackerrank solution
Finding The Percentage in Python - Hacker Rank Solution

Disclaimer: The above question is generated by HackerRank but the solution is provide by Sloth Coders. If you have any doubt regarding the problem (Finding The Percentage), then feel free to contact in the Comment section.

Happy Coding!!

A Sloth Who loves to code.

1 Comments

  1. Sarvani Sah
    name, *line = input().split()

    can you explain this line?