import random


def calculator():
    num1 = int(input("Add a number:\n"))
    num2 = int(input("Add a second number:\n"))
    operations = input("Choose an operation (Addition: +, subtraction: -, multiplication: *, division: / ):\n")
    if operations == "addition" or operations == "+":
        return num1 + num2
    elif operations == "subtraction" or operations == "-":
        return num1 - num2
    elif operations == "multiplication" or operations == "*":
        return num1 * num2
    elif operations == "division" or operations == "/":
        return num1 / num2
    else:
        return (f"Error, this is no operation.:\n"
                f"Addition =          {num1 + num2}:\n"
                f"Subtraction =       {num1 - num2}:\n"
                f"Multiplication =    {num1 * num2}:\n"
                f"Division =          {num1 / num2}")


def check(prompt, different_check):
    while True:
        user_input = input(prompt)
        if user_input.isdigit():
            num = int(user_input)
            if 1 <= num <= 90 and num not in different_check:
                return num
            else:
                print("You have match, please try another number 1-90")
        else:
            print("Error, please enter Valid Number to 1 - 90")


def lotto():
    different_check = set()
    user_num1 = check("Please choose numbers 1-90. First:\n", different_check)
    different_check.add(user_num1)
    user_num2 = check("Please choose numbers 1-90. Second:\n", different_check)
    different_check.add(user_num2)
    user_num3 = check("Please choose numbers 1-90. Third:\n", different_check)
    different_check.add(user_num3)
    user_num4 = check("Please choose numbers 1-90. Fourth:\n", different_check)
    different_check.add(user_num4)
    user_num5 = check("Please choose numbers 1-90. Fifth:\n", different_check)
    different_check.add(user_num1)

    print(f"Your number is = {user_num1},{user_num2},{user_num3},{user_num4},{user_num5}")
    numbers = {user_num1, user_num2, user_num3, user_num4, user_num5}
    win_num = set(random.sample(range(1, 91), 5))
    print(f"The winner numbers is: {win_num}")
    nums_match = numbers.intersection(win_num)
    match_number = len(nums_match)

    if numbers == win_num:
        print("You WIN!!!")
    elif match_number == 4:
        print(f"Amazing. You have 4 match: {match_number}")
    elif match_number == 3:
        print(f"Oh...just a little..Try now!. You have 3 match: {match_number}")
    elif match_number == 2:
        print(f"Hmm...maybe next time. You have 2 match: {match_number}")
    elif match_number == 1:
        print(f"It is bad luck. You have 1 match: {match_number}")

    else:
        print("you lose! Try again!")

    return numbers


def shopping():
    my_list = []
    while True:
        items = input("Add your items to your list or:\n "
                      "To print please press : p \n "
                      "To delete items press: D:\n"
                      "To exit press: exit:\n").lower()

        if items == "exit":
            return f"Your list is: {my_list}"
        elif items == "P".lower():
            print(my_list)
        elif items == "D".lower():
            delete = my_list.remove(input(f"Which items delete?:\n Your list is: {my_list}"))
            if delete not in my_list:
                print(f"Please select valid items from your list: {my_list}")
                print(items)
            else:
                print(delete)
        else:
            my_list.append(items)


def game():
    valaszt = ["kő", "papír", "olló"]
    gep_v = random.choice(valaszt)
    jatekos_v = input("Kő, papír, vagy olló? Kilépéshez írd: >>> exit<<<:\n").lower()
    print("a te választásod: ", jatekos_v)
    print("a gép választása", gep_v)

    if gep_v == jatekos_v:
        return "döntetlen"
    elif jatekos_v == "kő" and gep_v == "olló" or \
            jatekos_v == "olló" and gep_v == "papír" or \
            jatekos_v == "papír" and gep_v == "kő":
        return "Nyertél"
    else:
        return "Vesztettél"