Basic python password vault answer repeats without stopping and other issues

Python is a versatile programming language that offers various solutions to different problems. In this article, we will explore different ways to solve a common Python question related to a basic password vault. The question involves an answer repeating without stopping and other issues. We will present three different solutions, each with its own approach and advantages.

Solution 1: Using a While Loop


# Python code
while True:
    password = input("Enter your password: ")
    if password == "exit":
        break
    elif password == "password123":
        print("Access granted!")
    else:
        print("Access denied!")

In this solution, we use a while loop to continuously prompt the user for a password. The loop will only break if the user enters “exit”. If the user enters the correct password (“password123”), the program will print “Access granted!”. Otherwise, it will print “Access denied!”. This solution ensures that the program keeps running until the user decides to exit.

Solution 2: Using a Function


# Python code
def check_password():
    password = input("Enter your password: ")
    if password == "exit":
        return
    elif password == "password123":
        print("Access granted!")
    else:
        print("Access denied!")
    check_password()

check_password()

In this solution, we define a function called “check_password” that prompts the user for a password. If the user enters “exit”, the function returns, effectively ending the program. If the user enters the correct password, it prints “Access granted!”. Otherwise, it prints “Access denied!”. After each password check, the function calls itself recursively, ensuring that the program keeps running until the user decides to exit.

Solution 3: Using a Password Vault Class


# Python code
class PasswordVault:
    def __init__(self):
        self.password = ""

    def check_password(self):
        self.password = input("Enter your password: ")
        if self.password == "exit":
            return
        elif self.password == "password123":
            print("Access granted!")
        else:
            print("Access denied!")
        self.check_password()

vault = PasswordVault()
vault.check_password()

In this solution, we create a PasswordVault class that has a check_password method. The method prompts the user for a password and performs the necessary checks. If the user enters “exit”, the method returns, ending the program. If the user enters the correct password, it prints “Access granted!”. Otherwise, it prints “Access denied!”. Similar to Solution 2, the method calls itself recursively to ensure the program keeps running until the user decides to exit.

After exploring these three solutions, it is clear that Solution 3, using a Password Vault Class, is the better option. It provides a more organized and modular approach to the problem. The class encapsulates the password-related functionality, making it easier to manage and maintain. Additionally, it allows for potential future enhancements and extensions, such as storing multiple passwords or implementing additional security measures. Overall, Solution 3 offers a more robust and scalable solution to the Python password vault question.

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