Prompt the user for successive input lines, with the prompt "Enter course number, units, and grade, separated by spaces". So a sample input line might be "ECS10 4 B-". Continue to prompt until a blank line is entered, that is a line with nothing before the new line character, which will be read in by input() as an empty string. Then compute the GPA as a weighted average of the points assigned for each grade, weighted by the number of units. The point values of the grades are 4 for A, 3 for B, 2 for C, 1 for D, and 0 for F. Except for the grade A, where + has no effect, a + after the letter increases the point value by 0.3, and except for F, where a - has no effect, a - after a letter decreases the point value by 0.3, so, for example, B- is worth 3 - 0.3 = 2.7 points. The weighted points for a course is the point value of the grade, multiplied by the number of units for the course. The weighted average for the GPA is then the sum of these weighted points, divided by sum of the units. Print the GPA with exactly two decimal places, preceded by the text "The GPA is ". So a sample session might look like:

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Prompt the user for successive input lines, with the prompt "Enter course number, units, and grade, separated by spaces". So a sample
input line might be "ECS10 4 B-". Continue to prompt until a blank line is entered, that is a line with nothing before the new line character,
which will be read in by input() as an empty string. Then compute the GPA as a weighted average of the points assigned for each grade,
weighted by the number of units. The point values of the grades are 4 for A, 3 for B, 2 for C, 1 for D, and 0 for F. Except for the grade A,
where + has no effect, a + after the letter increases the point value by 0.3, and except for F, where a - has no effect, a - after a letter
decreases the point value by 0.3, so, for example, B- is worth 3 - 0.3 = 2.7 points. The weighted points for a course is the point value of the
grade, multiplied by the number of units for the course. The weighted average for the GPA is then the sum of these weighted points, divided
by sum of the units. Print the GPA with exactly two decimal places, preceded by the text "The GPA is ". So a sample session might look like:
Enter course number, units, and grade, separated by spaces
ECS10 4 B-
Enter course number, units, and grade, separated by spaces
ECS20 4 C+
Enter course number, units, and grade, separated by spaces
ANS17 3 A
Enter course number, units, and grade, separated by spaces
ANS49H 2 D
Enter course number, units, and grade, separated by spaces
The GPA is 2.62
The arithmetic for the GPA in the above example would be
(4 * 2.7 + 4* 2.3 + 3* 4.0 + 2 * 1.0) / (4 + 4 + 3+ 2)
Transcribed Image Text:Prompt the user for successive input lines, with the prompt "Enter course number, units, and grade, separated by spaces". So a sample input line might be "ECS10 4 B-". Continue to prompt until a blank line is entered, that is a line with nothing before the new line character, which will be read in by input() as an empty string. Then compute the GPA as a weighted average of the points assigned for each grade, weighted by the number of units. The point values of the grades are 4 for A, 3 for B, 2 for C, 1 for D, and 0 for F. Except for the grade A, where + has no effect, a + after the letter increases the point value by 0.3, and except for F, where a - has no effect, a - after a letter decreases the point value by 0.3, so, for example, B- is worth 3 - 0.3 = 2.7 points. The weighted points for a course is the point value of the grade, multiplied by the number of units for the course. The weighted average for the GPA is then the sum of these weighted points, divided by sum of the units. Print the GPA with exactly two decimal places, preceded by the text "The GPA is ". So a sample session might look like: Enter course number, units, and grade, separated by spaces ECS10 4 B- Enter course number, units, and grade, separated by spaces ECS20 4 C+ Enter course number, units, and grade, separated by spaces ANS17 3 A Enter course number, units, and grade, separated by spaces ANS49H 2 D Enter course number, units, and grade, separated by spaces The GPA is 2.62 The arithmetic for the GPA in the above example would be (4 * 2.7 + 4* 2.3 + 3* 4.0 + 2 * 1.0) / (4 + 4 + 3+ 2)
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