bank.py

import pyttsx3
import os
engine = pyttsx3.init()
def speek(ex):
    engine.say(ex)
    engine.runAndWait()
print("Welcome to ATM")
speek("\nDo you have account with us")

while True:
    account = input("Do you have account with us (y/n) :")
    if account.lower() == "n":
        print("Ok , Let's create one")
        while True:
            speek("Enter Username")
            CUsername = input("Enter Username :")
            speek("Enter Password")
            Cpassword = input("Enter Password :")
            
            
            if CUsername == "" or Cpassword == "":
                print("invalid username or password")
            else:
                with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{CUsername}.txt","w") as f:
                    f.write(f"0\n{Cpassword}")
                print(f"Congratulation {CUsername} Your Account has been created")    
                break  
        break  

    elif account.lower() == "y":
        break
    else:
        speek("Invalid output")
        print("Invalid output")
    break 

while True:
    speek("Enter Your Username")
    username = input("Enter Your Username :")
    speek("Enter Your Password")
    password = input("Enter Your Password :")
    if username == "" or password == "":
        speek("Invalid username or password")
        print("Invalid username or password")
    else:
        with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt","r") as f:
            data = f.read().split("\n")
        if password == data[1]:
            speek(f"Welcome {username}")
            print(f"Welcome {username}")
            break
        else:
            speek("Invalid username or password")
            print("Invalid username or password")
           

while True:
    with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt","r") as f:
        data1 = f.read().split("\n")
    balance = data1[0]
    speek("Welcome to ATM")
    speek("please select the option")
    print("ATM")
    print("1. Deposit")
    print("2. Withdraw")
    print("3. Check Balance")
    print("4. Exit")
    print("5. other")
    option = input("Enter Your Option :")
    if option == "1":
        speek("Enter the amount to deposit")
        print("Enter the amount to deposit")
        amount = int(input("Enter the amount to deposit :"))
        with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt","w") as f:
            f.write(f"{int(balance) + amount}\n{password}")
        print("Amount Deposited to Your account")
        speek("Amount Deposited to Your account")
    elif option == "2":
        speek("Enter the amount to withdraw")
        print("Enter the amount to withdraw")
        amount = int(input("Enter the amount to withdraw :"))
        if amount > int(balance):
            print("Insufficient Balance")
            speek("Insufficient Balance")
        else:
            with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt","w") as f:
                f.write(f"{int(balance) - amount}\n{password}")
            print("Amount Withdrawn from Your account")
            speek("Amount Withdrawn from Your account")
    elif option == "3":
        print(f"Your Balance is {balance}")
        speek(f"Your Balance is {balance}")
    elif option == "4":
        speek("Thank You for using ATM")
        print("Thank You for using ATM")
        break
    elif option == "5":
        while True:

            print("ATM menu")
            speek("ATM menu")
            print("1. Change Password")
            print("2. Trasfer Money")
            print("3. delete account")
            print("4. Exit")
            option1 = input("Enter Your Option :")
            if option1 == "1":
                speek("Enter the new password")
                print("Enter the new password")
                password = input("Enter the new password :")
                with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt","w") as f:
                    f.write(f"{balance}\n{password}")
                print("Password Changed Successfully")
                speek("Password Changed Successfully")
                break
            elif option1 == "2":
                speek("Enter the account number")
                print("Enter the account number")
                account_number = input("Enter the account number :")
                with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{account_number}.txt","r") as f:
                    balance1 = f.readline()
                if balance1 == "":
                    print("Account Number Does not Exist")
                    speek("Account Number Does not Exist")
                    break
                else:
                    speek("Enter the amount to transfer")
                    print("Enter the amount to transfer")
                    amount = int(input("Enter the amount to transfer :"))
                    if amount > int(balance):
                        print("Insufficient Balance")
                        speek("Insufficient Balance")
                        break
                    else:
                        with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt","w") as f:
                            f.write(f"{int(balance) - amount}\n{password}")
                        with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{account_number}.txt","r") as f:
                            balance1 = f.readline()
                        with open (f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{account_number}.txt","w") as f:
                            f.write(f"{int(balance1) + amount}\n{password}")
                        print("Amount Transferred Successfully")
                        speek("Amount Transferred Successfully")
                        break
            elif option1 == "3":
                speek("Are you sure you want to delete your account")
                print("Are you sure you want to delete your account (y/n)")
                option2 = input("Enter Your Option :")
                if option2.lower() == "y":
                    os.remove(f"D:/BANK DATA/DATA/ACCOUNT/ACCOUNT_NO_{username}.txt")
                    print("Account Deleted Successfully")
                    speek("Account Deleted Successfully")
                    exit()
                elif option2.lower() == "n":
                    print("Account Not Deleted")
                    speek("Account Not Deleted")
                    break
            elif option1 == "4":
                print("Thank You For Using Our Services")
                speek("Thank You For Using Our Services")
                break
            else: 
                print("Invalid Option") 
                speek("Invalid Option")

                

    else:
        speek("Invalid Option")
        print("Invalid Option")