students = {
    "Ali": {"credits": 70, "gpa": 17.8},
    "Sara": {"credits": 95, "gpa": 18.5},
    "Reza": {"credits": 40, "gpa": 15.2},
    "Nima": {"credits": 120, "gpa": 18.1},
    "Parsa": {"credits": 55, "gpa": 16.4},
    "Arman": {"credits": 80, "gpa": 17.1},
    "Mina": {"credits": 140, "gpa": 19.0},
    "Ava": {"credits": 35, "gpa": 16.8},
    "Yasmin": {"credits": 110, "gpa": 18.7},
    "Amir": {"credits": 65, "gpa": 15.9}
}

total_students = len(students)

total_gpa = 0

top_student = ""
top_gpa = 0

lowest_student = ""
lowest_gpa = 20

scholarship_count = 0

for name, info in students.items():
    gpa = info["gpa"]

    total_gpa += gpa

    if gpa > top_gpa:
        top_gpa = gpa
        top_student = name

    if gpa < lowest_gpa:
        lowest_gpa = gpa
        lowest_student = name

    if gpa >= 18:
        scholarship_count += 1

average_gpa = total_gpa / total_students

print("Total Students:", total_students)
print("Average GPA:", round(average_gpa, 2))

print("\nTop Student:")
print(f"{top_student} ({top_gpa})")

print("\nLowest GPA:")
print(f"{lowest_student} ({lowest_gpa})")

print("\nStudents with GPA >= 18:")
print(scholarship_count)

📌 نمونه خروجی:

Average GPA: 17.54

Top Student:
Mina (19.0)

Scholarship Students:
Sara
Nima
Mina
Yasmin

students = {
    "Ali": {"credits": 70, "gpa": 17.8},
    "Sara": {"credits": 95, "gpa": 18.5},
    "Reza": {"credits": 40, "gpa": 15.2},
    "Nima": {"credits": 120, "gpa": 18.1}, 
     "Parsa": {"credits": 55, "gpa": 16.4},
    "Arman": {"credits": 80, "gpa": 17.1},
    "Mina": {"credits": 140, "gpa": 19.0},
    "Ava": {"credits": 35, "gpa": 16.8},
    "Yasmin": {"credits": 110, "gpa": 18.7},
    "Amir": {"credits": 65, "gpa": 15.9}
}


def get_average_gpa():
    total_gpa = 0

    for student in students:
        total_gpa += students[student]["gpa"]

    return total_gpa / len(students)


def get_top_student():
    top_name = ""
    top_gpa = 0

    for student in students:
        if students[student]["gpa"] > top_gpa:
            top_gpa = students[student]["gpa"]
            top_name = student

    return top_name, top_gpa


def get_scholarship_students():
    scholarship_students = []

    for student in students:
        if students[student]["gpa"] >= 18:
            scholarship_students.append(student)

    return scholarship_students


# Bonus Challenge
def find_student(name):
    if name in students:
        print(f"Name: {name}")
        print(f"Credits: {students[name]['credits']}")
        print(f"GPA: {students[name]['gpa']}")
    else:
        print("Student not found")


print(f"Average GPA: {get_average_gpa():.2f}")

top_name, top_gpa = get_top_student()
print("\nTop Student:")
print(f"{top_name} ({top_gpa})")

print("\nScholarship Students:")
for student in get_scholarship_students():
    print(student)

print("\nFind Student:")
find_student("Sara")

students = {
    "Ali": {"credits": 70, "gpa": 17.8},
    "Sara": {"credits": 95, "gpa": 18.5},
    "Reza": {"credits": 40, "gpa": 15.2},
    "Nima": {"credits": 120, "gpa": 18.1},
    "Parsa": {"credits": 55, "gpa": 16.4},
    "Arman": {"credits": 80, "gpa": 17.1},
    "Mina": {"credits": 140, "gpa": 19.0},
    "Ava": {"credits": 35, "gpa": 16.8},
    "Yasmin": {"credits": 110, "gpa": 18.7},
    "Amir": {"credits": 65, "gpa": 15.9}
}

TOTAL_CREDITS = 140


def get_academic_level(gpa):
    if gpa >= 18:
        return "Excellent"
    elif gpa >= 16:
        return "Good"
    elif gpa >= 14:
        return "Average"
    else:
        return "Needs Improvement"


def get_status(credits):
    if credits >= TOTAL_CREDITS:
        return "Graduated"
    else:
        return "In Progress"


def show_student_info(name):
    credits = students[name]["credits"]
    gpa = students[name]["gpa"]

    remaining_credits = TOTAL_CREDITS - credits
    progress_percentage = (credits / TOTAL_CREDITS) * 100
    status = get_status(credits)
    academic_level = get_academic_level(gpa)

    print("\n------ Student Information ------")
    print("Name:", name)
    print("Credits Passed:", credits)
    print("GPA:", gpa)
    print("Remaining Credits:", remaining_credits)
    print(f"Progress Percentage: {progress_percentage:.2f}%")
    print("Status:", status)
    print("Academic Level:", academic_level)


def calculate_average_gpa():
    total_gpa = 0

    for student in students:
        total_gpa += students[student]["gpa"]

    return total_gpa / len(students)


def find_top_student():
    top_student = None
    top_gpa = 0

    for student in students:
        gpa = students[student]["gpa"]

        if gpa > top_gpa:
            top_gpa = gpa
            top_student = student

    return top_student, top_gpa


def show_above_average_students(average_gpa):
    print("\nStudents With GPA Above Average:")

    for student in students:
        gpa = students[student]["gpa"]

        if gpa > average_gpa:
            print(student, "-", gpa)


student_name = input("Enter student name: ").strip().title()

if student_name in students:
    show_student_info(student_name)

    top_student, top_gpa = find_top_student()
    average_gpa = calculate_average_gpa()

    print("\n------ Class Analytics ------")
    print(f"Top Student: {top_student} ({top_gpa})")
    print(f"Average GPA of All Students: {average_gpa:.2f}")

    show_above_average_students(average_gpa)

else:
    print("Student not found")

# Create and write file
with open("students.txt", "w") as file:
    file.write("Ali,17.8\n")
    file.write("Sara,18.5\n")
    file.write("Reza,15.2\n")
    file.write("Nima,18.1\n")
    file.write("Parsa,16.4\n")

# Read file
students = []

with open("students.txt", "r") as file:
    for line in file:
        name, gpa = line.strip().split(",")
        students.append((name, float(gpa)))

# Total students
total_students = len(students)

# Calculate average GPA
total_gpa = 0
top_student = ""
top_gpa = -1

for name, gpa in students:
    total_gpa += gpa

    if gpa > top_gpa:
        top_gpa = gpa
        top_student = name

average_gpa = total_gpa / total_students

# Bonus: students above 18
above_18 = []

for name, gpa in students:
    if gpa > 18:
        above_18.append((name, gpa))

# Output
print("Total Students:", total_students)
print("Average GPA:", round(average_gpa, 1))

print("\nTop Student:")
print(f"{top_student} ({top_gpa})")

print("\nStudents with GPA > 18:")
for name, gpa in above_18:
    print(f"{name} ({gpa})")