return {name: average_rating for name, average_rating in students.items() if average_rating > threshold}

students = { #Из прошлого примера берем
    "Brovscki": 4.5,
    "Мaria": 3.8,
    "Antony": 4.9
}

if average_rating > threshold:

name: average_rating

def get_top_students(students, threshold):
    return {name: average_rating for name, average_rating in students.items() if average_rating > threshold} 
    
students = {
    "Brovscki": 4.5,
    "Мaria": 3.8,
    "Antony": 4.9
}

threshold = 4.3  
top_students = get_top_students(students, threshold)
print(top_students)

def calculate_difference(x, y):
    return x - y if x > y else y - x

result = calculate_difference(10, 4)
print(result)

def sum_range(a, b):
    total = 0
    for i in range(a, b, 2):
        total += i
    return total

result = sum_range(1, 8)
print(result)

def func(n):
    if n == 0:
        return 1
    else:
        return n * func(n - 1)

result = func(5)
result //= 2
print(result)

def main_func(n):
    def not_main_func(x):
        return x * 2
    return not_main_func(n) + not_main_func(n + 1)

result = main_func(3)
print(result)

def mystery_function(a, b):
    return (a ** b) % (a + b)

result = mystery_function(3, 4)
print(result)

    if not students:
        print("Нет данных о студентах.")
        return #Тут оставляем просто return чтобы функция просто прервалась в случае пустого словаря

top_student = max(students, key=students.get)

students = { #Из прошлого примера берем
    "Brovscki": 4.5,
    "Мaria": 3.8,
    "Antony": 4.9
}

print(f"Студент с наивысшим средним баллом: {top_student} ({students[top_student]:.2f})")

def print_top_student(students):

    if not students:
        print("Нет данных о студентах.")
        return
    top_student = max(students, key=students.get)
    print(f"Студент с наивысшим средним баллом: {top_student} ({students[top_student]:.2f})")

students = { 
    "Brovscki": 4.5,
    "Мaria": 3.8,
    "Antony": 4.9
}


def print_top_student(students):

    if not students:
        print("Нет данных о студентах.")
        return
    top_student = max(students, key=students.get)
    print(f"Студент с наивысшим средним баллом: {top_student} ({students[top_student]:.2f})")


print_top_student(students)

def _list(lst):
    lst.append(4)
    return lst

numbers = [1, 2, 3, 5, 4]
_list(numbers)
print(numbers)

numbers = [1, 2, 3, 4, 5, 6, 7]
new_numbers = [x**2 for x in numbers if x % 2 == 0]
print(new_numbers)