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:

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

Problem 1PE

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Write a program that reads in lines from standard input with each line containing a name and two integers and then uses printf() to print a table with a column ofthe names, the integers, and the result of dividing the first by the second, accurate tothree decimal places. You could use a program like this to tabulate batting averages forbaseball players or grades for students.
Write a program that creates a login name for a user, given the user's first name, last name, and a four-digit integer as input. Output the login name, which is made up of the first five letters of the last name, followed by the first letter of the first name, and then the last two digits of the number (use the % operator). If the last name has less than five letters, then use all letters of the last name. Hint: Use the to_string() function to convert numerical data to a string.
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given the strings s1 and s2, not necessarily of the same lenght, create a new string consisting of alternating characters of s1 and s2 (that is, the first character of s1 followed by the first character of s2, followed by the second characters of s1, followed by the second character of s2, and so on. Once the end of either string is reached, the reminder of the longer string is added to the end of the new string. For example, if s1 contained "abc" and s2 contained"uvqxyz", then the new string should contain "aubvcwxyz". Assign the new string to the variable s3. using python and loops
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