The program from the previous question is Pylint compliant (note the appropriate use of global constants, docstrings, and the main function). However, it still has room for improvement. Using the functional decomposition skillsyou learned earlier, refactor the program so that it behaves exactly as before but now defines and calls the following functions:read_int: As defined previously.get_names: Prompts the user for student names and returns them as a list.get_marks: Takes a list of student names, prompts the user for each student's mark, and returns the marks as a mapped list.• grades: Takes a list of marks and returns a mapped list of the corresponding letter grades.• print_results: Takes mapped lists of student names, their marks, and their corresponding grades and prints out the class results.After refactoring, your main function should look like this:def main():""Prompts the user to enter student names and marks,calculates their grades, and prints the resultsnames = get_names ()numerical_marks = get_marks(names)letter_grades = grades (numerical_marks)print_results ( names, numerical_marks, letter_grades)Notes:• The answer box has been pre-loaded with the main function and the headers for each of the required support functions.No function in your program is allowed to be longer than 10 statements.• Be sure to include the entire program, including your call to the main function, in the answer box.For example:TestInput Result# This test simply runs the program,# so make sure you include the call to main() Bella Enter student's name or 'quit' if finished: BellaAngus Enter student's name or 'quit' if finished: AngusEnter student's name or 'quit' if finished: CamEnter student's name or 'quit' if finished: DaniEnter student's name or 'quit' if finished: quitEnter Angus's mark: 51Enter Bella's mark: 67CamDaniquit516778Enter Cam's mark: 7894Enter Dani's mark: 94CLASS RESULTSAngus: C- (51%)Bella: B- (67%)Cam: B+ (78%)Dani: A+ (94%) 1 # YOUR CODE HERE: Write your module docstring here,followed by any global constants.4 def read_int(prompt):*i"Prompts the user for a valid int and returns it."""# YOUR CODE HERE CHint: you already wrote this one earlier.)79 def get_names():10111213"Prompts the user for student names and returns them as a list"""# YOUR CODE HERE14 def get_marks(students):1516171819"Takes a list of student names, prompts the user for each student's mark,and returns the marks as a mapped list.# YOUR CODE HEREdef grades(marks):"Takes a list of marks and returns a mapped list of the correspondingletter grades.# YOUR CODE HERE28 v def print_results(students, marks, letter_grades):*"Takes mapped lists of studént names, their marks, andtheir corresponding letter grades and prints out the class results.# YOUR CODE HEREdef main():"""Prompts the user to enter student names and marks,calculates their grades, and prints the results38names = get_names()numerical_marks = get_marks(names)letter_gradesprint_results(names, numerical_marks, letter_grades)4041grădes(numerical_marks)4345 Imain()

No function in your program is allowed to be longer than 10 statements. • Be sure to include the entire program, including your call to the main function, the answer box. For example: Test Input Result # This test simply runs the program, Angus Enter student's name or 'quit' if finished: Angus # so make sure you include the call to main() Bella Enter student's name or 'quit' if finished: Bella Enter student's name or 'quit' if finished: Cam Enter student's name or 'quit' if finished: Dani Enter student's name or 'quit' if finished: quit Cam Dani quit 51 Enter Angus's mark: 51 67 Enter Bella's mark: 67 78 Enter Cam's mark: 78 94 Enter Dani's mark: 94 CLASS RESULTS Angus: C- (51%) Bella: B- (67%) Cam: B+ (78%) Dani: A+ (94%)

No function in your program is allowed to be longer than 10 statements. • Be sure to include the entire program, including your call to the main function, the answer box. For example: Test Input Result # This test simply runs the program, Angus Enter student's name or 'quit' if finished: Angus # so make sure you include the call to main() Bella Enter student's name or 'quit' if finished: Bella Enter student's name or 'quit' if finished: Cam Enter student's name or 'quit' if finished: Dani Enter student's name or 'quit' if finished: quit Cam Dani quit 51 Enter Angus's mark: 51 67 Enter Bella's mark: 67 78 Enter Cam's mark: 78 94 Enter Dani's mark: 94 CLASS RESULTS Angus: C- (51%) Bella: B- (67%) Cam: B+ (78%) Dani: A+ (94%)

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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Concept explainers

Types of Function

A function is a process or task that does some operation in the program. Some programming languages may contain built-in functions for certain commonly used tasks. Most programming languages also support user-defined functions, which means a user can write their own function to perform some operation. There are some libraries or header files that contain built-in functions for performing certain tasks.

Question

100%

1 # YOUR CODE HERE: Write your module docstring here,
followed by any global constants.
4 def read_int(prompt):
*i"Prompts the user for a valid int and returns it."""
# YOUR CODE HERE CHint: you already wrote this one earlier.)
7
9 def get_names():
10
11
12
13
"Prompts the user for student names and returns them as a list"""
# YOUR CODE HERE
14 def get_marks(students):
15
16
17
18
19
"Takes a list of student names, prompts the user for each student's mark,
and returns the marks as a mapped list.
# YOUR CODE HERE
def grades(marks):
"Takes a list of marks and returns a mapped list of the corresponding
letter grades.
# YOUR CODE HERE
28 v def print_results(students, marks, letter_grades):
*"Takes mapped lists of studént names, their marks, and
their corresponding letter grades and prints out the class results.
# YOUR CODE HERE
def main():
"""Prompts the user to enter student names and marks,
calculates their grades, and prints the results
38
names = get_names()
numerical_marks = get_marks(names)
letter_grades
print_results(names, numerical_marks, letter_grades)
40
41
grădes(numerical_marks)
43
45 Imain()

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