Questions about creating Python class objects

acc_cus = []
dif = 0
while 1:
    num = int(input(
        """
++++++++++++++++++++++++++++++
Enter the number of the item you want.

1. Create an account
2. Deposit
3. Withdrawal
4. Check account information
5. Shutdown
++++++++++++++++++++++++++++++
        """
        ))

    class Bank:
        def __init__(self,name):
            self.name = name
            self.account = [0]

        def inform(self):
            return "++++++++++++++++++++++++++++++++++++++++++++++++++++++" account name: " + str(self.name) +"\n"+" balance: " + str(self).account[0])+"원\n"+"++++++++++++++++++++++++++++++"



    if num == 1:
        name = input("""
++++++++++++++++++++++++++++++
Please enter a name for your account.
++++++++++++++++++++++++++++++
        """)
        dif += 1
        "customer"+str(dif) = Bank(name)
        fin = 'customer'+str(dif)
        acc_cus.append(fin.name)
        print(fin.inform())
        print("""
++++++++++++++++++++++++++++++
Account creation is complete.
++++++++++++++++++++++++++++++
        """)
        print("""
++++++++++++++++++++++++++++++
Current Account List\n""+str(acc_cus)+"\n++++++++++++++++++++++++++++++++++++++++"
              )
    #(Looping)