main.py

import random
output = dict()
try:
    friends_count = int(input("Enter the number of friends joining (including you):"))
    if friends_count < 1:
        print("No one is joining for the party")
    else:
        print("Enter the name of every friend (including you), each on a new line:")
        for i in range(friends_count):
            name = input()
            output[name] = 0
        # print(output)

        total_bill = float(input("Enter the total bill value:\n"))

        lucky_enabled = input("Do you want to use the \"Who is lucky?\" feature? Write Yes/No:\n")
        if lucky_enabled == "Yes":
            random_number = random.randint(0, friends_count)
            # print(random_number)
            lucky_friend = list(output.keys())[random_number]
            # print(lucky_friend)
            print(f"{lucky_friend} is the lucky one!")

            for name in output:
                if name == lucky_friend:
                    output[name] = 0
                else:
                    output[name] = round(total_bill / (friends_count - 1), 2)
            print(output)
            
        else:
            print("No one is going to be lucky")
            for name in output:
                output[name] = round(total_bill / friends_count, 2)
            print(output)
except Exception:
    print("No one is joining for the party")