1. import random
2.  
3.  
4. def calculator():
5.     num1 = int(input("Add a number:\n"))
6.     num2 = int(input("Add a second number:\n"))
7.     operations = input("Choose an operation (Addition: +, subtraction: -, multiplication: *, division: / ):\n")
8.     if operations == "addition" or operations == "+":
9.         return num1 + num2
10.     elif operations == "subtraction" or operations == "-":
11.         return num1 - num2
12.     elif operations == "multiplication" or operations == "*":
13.         return num1 * num2
14.     elif operations == "division" or operations == "/":
15.         return num1 / num2
16.     else:
17.         return (f"Error, this is no operation.:\n"
18.                 f"Addition =          {num1 + num2}:\n"
19.                 f"Subtraction =       {num1 - num2}:\n"
20.                 f"Multiplication =    {num1 * num2}:\n"
21.                 f"Division =          {num1 / num2}")
22.  
23.  
24. def check(prompt, different_check):
25.     while True:
26.         user_input = input(prompt)
27.         if user_input.isdigit():
28.             num = int(user_input)
29.             if 1 <= num <= 90 and num not in different_check:
30.                 return num
31.             else:
32.                 print("You have match, please try another number 1-90")
33.         else:
34.             print("Error, please enter Valid Number to 1 - 90")
35.  
36.  
37. def lotto():
38.     different_check = set()
39.     user_num1 = check("Please choose numbers 1-90. First:\n", different_check)
40.     different_check.add(user_num1)
41.     user_num2 = check("Please choose numbers 1-90. Second:\n", different_check)
42.     different_check.add(user_num2)
43.     user_num3 = check("Please choose numbers 1-90. Third:\n", different_check)
44.     different_check.add(user_num3)
45.     user_num4 = check("Please choose numbers 1-90. Fourth:\n", different_check)
46.     different_check.add(user_num4)
47.     user_num5 = check("Please choose numbers 1-90. Fifth:\n", different_check)
48.     different_check.add(user_num1)
49.  
50.     print(f"Your number is = {user_num1},{user_num2},{user_num3},{user_num4},{user_num5}")
51.     numbers = {user_num1, user_num2, user_num3, user_num4, user_num5}
52.     win_num = set(random.sample(range(1, 91), 5))
53.     print(f"The winner numbers is: {win_num}")
54.     nums_match = numbers.intersection(win_num)
55.     match_number = len(nums_match)
56.  
57.     if numbers == win_num:
58.         print("You WIN!!!")
59.     elif match_number == 4:
60.         print(f"Amazing. You have 4 match: {match_number}")
61.     elif match_number == 3:
62.         print(f"Oh...just a little..Try now!. You have 3 match: {match_number}")
63.     elif match_number == 2:
64.         print(f"Hmm...maybe next time. You have 2 match: {match_number}")
65.     elif match_number == 1:
66.         print(f"It is bad luck. You have 1 match: {match_number}")
67.  
68.     else:
69.         print("you lose! Try again!")
70.  
71.     return numbers
72.  
73.  
74. def shopping():
75.     my_list = []
76.     while True:
77.         items = input("Add your items to your list or:\n "
78.                       "To print please press : p \n "
79.                       "To delete items press: D:\n"
80.                       "To exit press: exit:\n").lower()
81.  
82.         if items == "exit":
83.             return f"Your list is: {my_list}"
84.         elif items == "P".lower():
85.             print(my_list)
86.         elif items == "D".lower():
87.             delete = my_list.remove(input(f"Which items delete?:\n Your list is: {my_list}"))
88.             if delete not in my_list:
89.                 print(f"Please select valid items from your list: {my_list}")
90.                 print(items)
91.             else:
92.                 print(delete)
93.         else:
94.             my_list.append(items)
95.  
96.  
97. def game():
98.     valaszt = ["kő", "papír", "olló"]
99.     gep_v = random.choice(valaszt)
100.     jatekos_v = input("Kő, papír, vagy olló? Kilépéshez írd: >>> exit<<<:\n").lower()
101.     print("a te választásod: ", jatekos_v)
102.     print("a gép választása", gep_v)
103.  
104.     if gep_v == jatekos_v:
105.         return "döntetlen"
106.     elif jatekos_v == "kő" and gep_v == "olló" or \
107.             jatekos_v == "olló" and gep_v == "papír" or \
108.             jatekos_v == "papír" and gep_v == "kő":
109.         return "Nyertél"
110.     else:
111.         return "Vesztettél"
112.