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| 1 | +class Student: |
| 2 | + def __init__(self,name,scores) -> None: |
| 3 | + self.name = name |
| 4 | + self.scores = scores |
| 5 | + |
| 6 | + def calculate_average(self) -> int: |
| 7 | + if len(self.scores) > 0: |
| 8 | + return sum(self.scores) / len(self.scores) |
| 9 | + return 0 |
| 10 | + |
| 11 | + def is_passing(self,passing = 40): |
| 12 | + average = self.calculate_average() |
| 13 | + return average >= passing |
| 14 | + |
| 15 | + |
| 16 | +class Performance_tracker: |
| 17 | + def __init__(self) -> None: |
| 18 | + self.students_record = {} |
| 19 | + |
| 20 | + def add_students(self): |
| 21 | + while True: |
| 22 | + try: |
| 23 | + student_name = input("\nEnter student name (or type stop to stop) : ").lower().strip() |
| 24 | + if student_name == "stop": |
| 25 | + break |
| 26 | + grades = input("Enter marks in 3 subjects (math , science and English respectively) Ensure their is space in it : ").strip() |
| 27 | + student_grades = [int(grade) for grade in grades.split()] |
| 28 | + |
| 29 | + if student_name in self.students_record: |
| 30 | + self.students_record[student_name].scores = student_grades |
| 31 | + else: |
| 32 | + self.students_record[student_name] = Student(student_name,student_grades) |
| 33 | + |
| 34 | + print(f"Updated dictionary : {self.get_students_data()}") |
| 35 | + |
| 36 | + |
| 37 | + except ValueError : |
| 38 | + print("Please enter a Valid Marks") |
| 39 | + except Exception as error : |
| 40 | + print(error) |
| 41 | + |
| 42 | + def calculate_class_average(self): |
| 43 | + total_scores = [] |
| 44 | + for i in self.students_record.values(): |
| 45 | + total_scores.extend(i.scores) |
| 46 | + average = sum(total_scores) / len(total_scores) |
| 47 | + print(f"Class Average : {average:.2f}") |
| 48 | + |
| 49 | + def display_student_performance(self): |
| 50 | + for student in self.students_record.values(): |
| 51 | + average = student.calculate_average() |
| 52 | + passing = f"PASS" if student.is_passing() else "FAIL" |
| 53 | + print(f"{student.name} : Average : {average:.2f} , Status : {passing}") |
| 54 | + |
| 55 | + def get_students_data(self): |
| 56 | + return {name: student.scores for name, student in self.students_record.items()} |
| 57 | + |
| 58 | + |
| 59 | +tracker = Performance_tracker() |
| 60 | +tracker.add_students() |
| 61 | +tracker.display_student_performance() |
| 62 | +tracker.calculate_class_average() |
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