accounts = []
name = ""

class bank:

    def __init__(self, name):
        self.balance = 50
        self.name = name
        print(self.name)


    def getName(self):
        return self.name

    def getBalance(self):
        return self.balance

    def withdrawl(self, amount):
        self.balance -= amount

    def deposit(self, amount):
        self.balance += amount

def user_login():
    name = input("What is your name? ")
    for i in range(0,len(accounts)-1):
        if (name == accounts[i]):
            print("Invalid input")
            user_login()
            return 0
    name = bank(name)
    accounts.append(name)
    print("Logged in as ",name.getName())
    menu(name)



def menu(name):
    while 1:
        selection = int(input("What would you like? \n\
    1. Withdrawl \n\
    2. Depositt \n\
    3. View current balance \n\
    4. Logout"))
        if (selection==1):
            amount = int(input("How much would you like to withdrawl? Current balance is £"+str(name.getBalance())))
            if (amount > name.getBalance()):
                print("Error cannot withdrawl more than ",name.getBalance())
                menu(name)
                return 0
            else:
                name.withdrawl(amount)
                print("New balance is £"+str(name.getBalance()))
        elif (selection == 2):
            amount = int(input("How much would you like to deposit? Current balance is £"+str(name.getBalance())))
            name.deposit(amount)
            print("New balance is £"+str(name.getBalance()))
        elif (selection == 3):
            print("Current balance is £",name.getBalance())
        elif (selection == 4):
            name = ""
            user_login()
            return 0

user_login()