ATM.py

print("Here's Your Basic ATM\n")
attempts = 0
balance = 100000
while attempts < 3:
    pin = int(input("Please Enter Your Pin To Login Your Account\n"))
    if pin == 3520:
        print(f"\nAccount Holder : Gopal krishna.\nAccount Balance : {balance}")
        while True:
            print("""\nChoose an option:\n1. Withdraw\n2. Credit (Deposit)\n3. Check Balance\n4. Exit\n""")
            choice = int(input("Enter Your Choice: "))
            if choice == 1:
                dp = int(input("Enter Amount To Withdraw: "))
                if dp > balance:
                    print("\nInsufficient Balance!")
                else:
                    balance -= dp
                    print(f"\nTransaction Successful!\nUpdated Balance : {balance}")
            elif choice == 2:
                credit = int(input("Enter Amount To Deposit: "))
                balance += credit
                print(f"\nAmount Credited Successfully!\nUpdated Balance: {balance}")
            elif choice == 3:
                print(f"\nYour Current Balance : {balance}")
            elif choice == 4:
                print("\nThank You For Using Our ATM!")
                break
            else:
                print("Invalid Option, Try Again.\n")
        break
    else:
        attempts += 1
        if attempts == 3:
            print("\nYour Account Has Been Blocked Due To Multiple Incorrect Attempts.")
        else:

            print(f"Incorrect Pin ({3 - attempts} attempts left)\n")