dkim61/david_qs

David_Qs

The object grades contains the test grades of students for 5 different tests.

• Keys: Student Name

• Values: Array Containing 5 Test Grades

grades = {
    'Ed'    : [64, 73, 64, 24, 49],
    'Daniel': [37, 73, 53, 95, 88],
    'Dennis': [86, 97, 23, 66, 21],
    'George': [96, 53, 75, 84, 96]
}

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1

Write a function get_average(scores) that takes in one argument scores, which is an array of integers and return the average.

Example

Input

get_average([1,2,3,4,5])

Output

3

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2

Write a function get_averages() that takes no arguments and prints out the name of each student followed by their test average.

Example

Input

get_averages()

Output

Ed 54.8
Daniel 69.2
Dennis 58.6
George 80.8

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3

Write a function get_highest_score(test_num) that takes in one argument test_num, which prints the name of the student who achieved the highest test grade on the test given by the test_num argument.

Examples

Input

get_highest_score(1)

Output

George 96

Input

get_highest_score(2)

Output

Dennis 97

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4

Write a function get_letter_grade(score) that takes in one argument score, which returns letter grade equivalent of a test score.

Grade	Letter
90 - 100	A
80 - 89.99	B
70 - 79.99	C
60 - 69.99	D
Below 60	F

Examples

Input

get_highest_score(100)

Output

A

Input

get_letter_grade(65)

Output

D

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5

Write a function get_letter_grades(scores) that takes in one argument scores, which returns an array of letter grades as strings.

Grade	Letter
90 - 100	A
80 - 89.99	B
70 - 79.99	C
60 - 69.99	D
Below 60	F

Example

Input

get_letter_grades([37, 73, 53, 95, 88])

Output

['F', 'C', 'F', 'A', 'B']

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6

Write a function tests_summary(tests) that takes in one argument tests, which prints the test number and the test score shown in the example below.

Example

Input

tests_summary([37, 73, 53, 95, 88])

Output

Test 1 : 37
Test 2 : 73
Test 3 : 53
Test 4 : 95
Test 5 : 88