You have a record of
students. Each record contains the student's name, and their percent
marks in Maths, Physics and Chemistry. The marks can be floating values.
The user enters some integer followed by the names and marks for
students. You are required to save the record in a dictionary data
type. The user then enters a student's name. Output the average
percentage marks obtained by that student, correct to two decimal
places.
Python 2.0 code:
Input Format
The first line contains the integer , the number of students. The next
lines contains the name and marks obtained by that student separated by
a space. The final line contains the name of a particular student
previously listed.
Output Format
Print one line: The average of the marks obtained by the particular student correct to 2 decimal places.
Sample Input
3
Krishna 67 68 69
Arjun 70 98 63
Malika 52 56 60
Malika
Sample Output
56.00
Explanation
Marks for Malika are whose average is 56(sum of all/total number)Python 2.0 code:
n=int(raw_input())
student_info={}
for i in range(0,n):
line=raw_input().split()
student_info[line[0]]=sum(map(float,line[1:]))/3
print '%.2f' %student_info[raw_input()]
student_info={}
for i in range(0,n):
line=raw_input().split()
student_info[line[0]]=sum(map(float,line[1:]))/3
print '%.2f' %student_info[raw_input()]
