каркас и все функции, все сделано и реализовано

src/functions.py

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+from tabulate import tabulate
+
+
+def parse_student_line(line: str) -> dict:
+    parts = line.strip().split(";")
+
+    return {
+        "full_name": parts[0],
+        "group": parts[1],
+        "course": int(parts[2]),
+        "tuition_fee": float(parts[3]),
+        "paid_amount": float(parts[4]),
+        "last_payment_date": parts[5]
+    }
+
+
+def load_students(file_path: str) -> list:
+    students = []
+
+    try:
+        with open(file_path, "r", encoding="utf-8") as file:
+            for line in file:
+                if line.strip():
+                    students.append(parse_student_line(line))
+    except FileNotFoundError:
+        print("Ошибка: файл с данными не найден.")
+
+    return students
+
+
+def calculate_debt(student: dict) -> float:
+    debt = student["tuition_fee"] - student["paid_amount"]
+
+    if debt < 0:
+        return 0
+
+    return debt
+
+
+def filter_debtors(students: list) -> list:
+    return [student for student in students if calculate_debt(student) > 0]
+
+
+def filter_fully_paid(students: list) -> list:
+    return [student for student in students if calculate_debt(student) == 0]
+
+
+def get_total_expected_income(students: list) -> float:
+    return sum(student["tuition_fee"] for student in students)
+
+
+def get_total_paid_amount(students: list) -> float:
+    return sum(student["paid_amount"] for student in students)
+
+
+def group_students_by_course(students: list) -> dict:
+    result = {}
+
+    for student in students:
+        course = student["course"]
+
+        if course not in result:
+            result[course] = []
+
+        result[course].append(student)
+
+    return result
+
+
+def get_top_debtors(students: list, limit: int) -> list:
+    sorted_students = sorted(
+        students,
+        key=lambda student: calculate_debt(student),
+        reverse=True
+    )
+
+    return sorted_students[:limit]
+
+
+def generate_payment_report(students: list) -> dict:
+    debtors = filter_debtors(students)
+    fully_paid = filter_fully_paid(students)
+
+    return {
+        "total_students": len(students),
+        "debtors_count": len(debtors),
+        "fully_paid_count": len(fully_paid),
+        "total_expected_income": get_total_expected_income(students),
+        "total_paid_amount": get_total_paid_amount(students),
+        "total_debt": sum(calculate_debt(student) for student in students)
+    }
+
+
+def print_students_table(students: list) -> None:
+    table = []
+
+    for student in students:
+        table.append([
+            student["full_name"],
+            student["group"],
+            student["course"],
+            student["tuition_fee"],
+            student["paid_amount"],
+            calculate_debt(student),
+            student["last_payment_date"]
+        ])
+
+    print(tabulate(
+        table,
+        headers=["ФИО", "Группа", "Курс", "Стоимость", "Оплачено", "Долг", "Дата платежа"],
+        tablefmt="grid"
+    ))

src/main.py

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+from functions import *
+
+
+def main():
+    file_path = "data/data.txt"
+
+    students = load_students(file_path)
+
+    if not students:
+        print("Нет данных для обработки.")
+        return
+
+    print("ВСЕ СТУДЕНТЫ:")
+    print_students_table(students)
+
+    print("\nОБЩИЙ ОТЧЕТ:")
+    report = generate_payment_report(students)
+
+    for key, value in report.items():
+        print(f"{key}: {value}")
+
+    print("\nДОЛЖНИКИ:")
+    debtors = filter_debtors(students)
+    print_students_table(debtors)
+
+    print("\nПОЛНОСТЬЮ ОПЛАТИЛИ:")
+    fully_paid = filter_fully_paid(students)
+    print_students_table(fully_paid)
+
+    print("\nТОП-3 ДОЛЖНИКОВ:")
+    top_debtors = get_top_debtors(students, 3)
+    print_students_table(top_debtors)
+
+    print("\nРАСПРЕДЕЛЕНИЕ ПО КУРСАМ:")
+    students_by_course = group_students_by_course(students)
+
+    for course, course_students in students_by_course.items():
+        print(f"{course} курс: {len(course_students)} человек")
+
+    print("\nОБЩАЯ СУММА ПО ДОГОВОРАМ:")
+    print(get_total_expected_income(students))
+
+    print("\nОБЩАЯ ОПЛАЧЕННАЯ СУММА:")
+    print(get_total_paid_amount(students))
+
+    print("\nПРОВЕРКА ДОЛГА ПЕРВОГО СТУДЕНТА:")
+    print(calculate_debt(students[0]))
+
+
+if __name__ == "__main__":
+    main()