1.1_zad.py

import random

my_list = []
list_dev_3 = []

while True:
    n = int(input("Enter a value for n (between 30 and 100): "))

    if 30 <= n <= 100:
        for _ in range(n):
            number = random.randint(20,600)
            my_list.append(number)

        break

even_count = 0
for num in my_list:
    if num % 10 == 0:
        even_count += 1

    if num % 7 == 3:
        list_dev_3.append(num)
        min_num_index = list_dev_3.index(min(list_dev_3))

list3 = [num for num in my_list if num // 100 == 3 or str(num).endswith("5")]

max_num_index = my_list.index(max(my_list))

ends_with_3 = [num for num in my_list if str(num).endswith("3")]

prod = 1
for num in ends_with_3:
    prod *= num

print(my_list)
print(list_dev_3)
print(even_count)
print(min_num_index)
print(list3)
print(max_num_index)
print(ends_with_3)
print(prod)