Problem: Finding the Percentage

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**

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’ 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.

**Constraints**

**2<=n<=10****0<=marks[i]<=100****lengths of marks arrays=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 for 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

Code:

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()

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