sem1308 / simple-ATM

implementation of simple ATM system

simple-ATM

implementation of simple ATM system

Insert Card => PIN number => Select Account => See Balance/Deposit/Withdraw is implemented

clone and run

• clone

git clone https://github.com/sem1308/simple-ATM.git
cd ./simple-ATM

• run

python main.py

• in main.py, there are dummy datas for account and card.
  • if you want, manipulate them

UI

if you run this system, you can see this UI

========= ATM =========
[1] INSERT_CARD
[any button] EXIT
select wanted num :

if input 1,you can see this UI

========= CARD UI =========
Enter card number (include '-') : 

• i can't develop hardware system, so manually get card informations
• If the entered card information is not in the dummy data, it will go back to the beginning.
• Here is the result of entering the correct information

Enter card number (include '-') : 4579-7300-7124-7055
Enter valid thru (ex 11/23) : 24/08
Enter cvc (ex 012) : 302

then you can see this UI

========= PIN NUMBER UI =========
Enter pin number : 

• The pin number exists in the dummy card data, so write it down as a reference
• if write incorrect number, you can choose return to home or rewrite number
• Here is the result of entering the correct information

========= PIN NUMBER UI =========
Enter pin number : 1234

then you can see this UI

========= ACCOUNTS UI =========
[0] - 한국은행 , 111112341234
[1] - 기업은행 , 333312341234
[any else button] : exit
select wanted num : 

• you can select account by number

if you enter 0, this UI will be seen

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 

• yes, you can use these functions (see balance, deposit, withdraw, return to home)
  • case input 1 (SEE_BALANCE)

    ## SEE_BALANCE ##
    balance : 100000$
    

  • case input 2 (DEPOSIT)

    ## DEPOSIT ##
    Enter amount of deposit money($) : 40000 # input yourself
    

    === before balance ===
    balance : 100000$
    
    40000$ was deposited to 111112341234
    === after balance ===
    balance : 140000$
    

  • case input 3 (WITHDRAW)

    ## WITHDRAW ##
    Enter amount of withdraw money($) : 100000 # input yourself
    

    ===== before balance =====
    balance : 140000$
    
    100000$ was withdrawn from 111112341234
    ===== after balance =====
    balance : 40000$
    

    • if lack of balance, you can see it

    ## WITHDRAW ##
    Enter amount of withdraw money($) : 100000
    ===== before balance =====
    balance : 40000$
    withdrawl denied due to 'lack of balance'
    ===== after balance =====
    balance : 40000$
    

    • if ATM has lack of cash, you can see it

    ## WITHDRAW ##
    Enter amount of withdraw money($) : 120000
    withdrawl denied due to 'lack of cash of ATM'
    

  • case input 4 (HOME)

    return to home.
    
    ========= ATM =========
    [1] INSERT_CARD
    [any button] EXIT
    select wanted num :
    

test case

• this system get input sequentially so test case's output may seem a little weird
• run by "python main.py" and copy input case and paste to terminal

case 1

• input

1
4579-7300-7124-7055
24/08
302
1234
0
1
2
40000
3
200000
3
100000
4
2

• output

========= CARD UI =========
Enter card number (include '-') : Enter valid thru (ex 11/23) : Enter cvc (ex 012) : 
========= PIN NUMBER UI =========
Enter pin number : 
========= ACCOUNTS UI =========
[0] - 한국은행 , 111112341234
[1] - 기업은행 , 333312341234
select wanted num : 
=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## SEE_BALANCE ##
balance : 100000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## DEPOSIT ##
Enter amount of deposit money($) : === before balance ===
balance : 100000$

40000$ was deposited to 111112341234
=== after balance ===
balance : 140000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## WITHDRAW ##
Enter amount of withdraw money($) : ===== before balance =====
balance : 140000$

withdrawl denied due to 'lack of balance'
===== after balance =====
balance : 140000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## WITHDRAW ##
Enter amount of withdraw money($) : ===== before balance =====
balance : 140000$

100000$ was withdrawn from 111112341234
===== after balance =====
balance : 40000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
return to home.

=== ATM ===
[1] INSERT_CARD
[any button] EXIT
select wanted num : 
Process finished with exit code 0

case 2

• input

1
4579-7300-7124-7055
24/08
302
1234
1
1
2
40000
3
200000
3
100000
4
2

• output

========= CARD UI =========
Enter card number (include '-') : Enter valid thru (ex 11/23) : Enter cvc (ex 012) : 
========= PIN NUMBER UI =========
Enter pin number : 
========= ACCOUNTS UI =========
[0] - 한국은행 , 111112341234
[1] - 기업은행 , 333312341234
select wanted num : 
=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## SEE_BALANCE ##
balance : 553000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## DEPOSIT ##
Enter amount of deposit money($) : === before balance ===
balance : 553000$

40000$ was deposited to 333312341234
=== after balance ===
balance : 593000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## WITHDRAW ##
Enter amount of withdraw money($) : ===== before balance =====
balance : 593000$

200000$ was withdrawn from 333312341234
===== after balance =====
balance : 393000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
## WITHDRAW ##
Enter amount of withdraw money($) : ===== before balance =====
balance : 393000$

100000$ was withdrawn from 333312341234
===== after balance =====
balance : 293000$

=== Functions ===
[1] SEE_BALANCE
[2] DEPOSIT
[3] WITHDRAW
[4] HOME
select wanted num : 
return to home.

=== ATM ===
[1] INSERT_CARD
[any button] EXIT
select wanted num : 


Process finished with exit code 0