PYTHON

$**$please model the following programs logic using a flowchart. Flowcharts may be created using drawing shapes in a program such as Word or PowerPoint.$**$

$```$

import csv

class Student:

def $\_\_$init$\_($self$,$ first$\_$name, last$\_$name, major, grade$)$:

self.first$\_$name $=$ first$\_$name

self.last$\_$name $=$ last$\_$name

self.major $=$ major

self.grade $=$ grade

class ClassRecords:

def $\_\_$init$\_\_($self$,$ file$\_$name$)$:

self.file$\_$name $=$ file$\_$name

self.students $=$ self.load$\_$records$()$

def load$\_$records$($self$)$:

try:

with open$($self$.$file$\_$name, $\text{'}$r$\text{'})$ as file:

reader $=$ csv$.$reader$($file$)$

students $=[$Student$(*$row$)$ for row in reader$]$

return students

except FileNotFoundError:

return $[]$

def save$\_$records$($self$)$:

with open$($self$.$file$\_$name, $\text{'}$w$\text{'},$ newline$=\text{'}\text{'})$ as file:

writer $=$ csv$.$writer$($file$)$

for student in self.students:

writer.writerow$([$student$.$first$\_$name, student.last$\_$name, student.

def add$\_$record$($self$,$ first$\_$name, last$\_$name, major, grade$)$:

new$\_$student $=$ Student$($first$\_$name,$-$ last$\_$name, major, grade$)$

self.students.append $($new$\_$student$)$

self.save$\_$records$()$

print$($f$"$Record added: $\{$first$\_$name$\}\{$last$\_$name$\}(\{$major$\})-$ Grade: $\{$grade

def display$\_$all$\_$records$($self$)$:

for student in self.students:

print$($f$"\{$student$.$first$\_$name$\}\{$student$.$last$\_$name$\}(\{$student$.$major$\})-$

def display$\_$records$\_$by$\_$major$($self$,$ major$)$:

major$\_$records $=[$student for student in self.students if student.major.l

if major$\_$records:

for student in major$\_$records:

print$($f$"\{$student$.$first$\_$name$\}\{$student$.$last$\_$name$\}-$ Grade: $\{$stude

else:

print$($f$"$No records found for major: $\{$major$\}")$

def compute$\_$average$\_$score$($self$)$:

if not self.students:

print$("$No records found."$)$

return

total$\_$score $=$ sum$($float$($student$.$grade$)$ for student in self.students$)$

average$\_$score $=$ total$\_$score $/$ len$($self$.$students$)$

print$($f$"$Average score for the class: $\{$average$\_$score:$\mathrm{.}2$f$\}")$

# Example usage

file$\_$name $=$ "class$\_$records.csv$"$

class$\_$records $=$ Cl$$ssRecords$($file$\_$name$)$

while True:

print$("$

Menu:"$)$

print$("1.$ Add New Record"$)$

print$("2.$ Display All Records"$)$

print$("3.$ Display Records by Major"$)$

print$("4.$ Compute Average Score"$)$

print$("5.$ Quit"$)$

choice $=$ input$("$Enter your choice $(1-5)$: $")$

if choice $==\text{'}1\text{'}$:

first$\_$name $=$ input$("$Enter first name: $")$

last$\_$name $=$ input$("$Enter last name: $")$

major $=$ input$("$Enter major: $")$

grade $=$ input$("$Enter grade: $")$

class$\_$records.add$\_$record$($first$\_$name, last$\_$name, major, grade$)$

elif choice $==\text{'}2\text{'}$:

class$\_$records.display$\_$all$\_$records$()$

elif choice $==\text{'}3\text{'}$:

major $=$ input$("$Enter major to display records: $")$

class$\_$records.display$\_$records$\_$by$\_$major$($major$)$

elif choice $==\text{'}4\text{'}$:

class$\_$records.compute$\_$average$\_$score$()$

elif choice $==\text{'}5\text{'}$:

print$("$Exiting program."$)$

break

else:

print$("$Invalid choice. Please enter a number between $1$ and $5.")$

$```$