Computer

Science
Practical Record File
(Session 2019-2020)

Submitted to: Submitted by:

Mr. SPS Chand Avram John Neroth
(PGT-CS) (Class XII B)
 Certificate
This is to certify that the programs enlisted in this
practical record file have been designed and
executed by
Avram John Neroth
Of class XII Science,
The Lawrence School, Lovedale
For session 2019-2020
Under the supervision of
Mr. SPS CHAND
In Partial fulfillment for the
C.B.S.E. Computer Science Examination

(Mr. SPS Chand) Mr. Prabakaran Nair

(PGT CS) Headmaster
 Input Code
from pickle import load, dump

import datetime

import os

def autogen():

x=101

if os.path.isfile('bank.dat')==True:

fp=open('bank.dat','rb')

try:

while True:

a=load(fp)

x+=1

except EOFError:

pass

return x

class mainaf():

def __init__(self):

self.acname=''

self.acno=0

self.actype=''

self.acdate=''

self.acaddr1=''

self.acaddr2=''
 self.accity=''

self.bal=0

self.pasw=''

self.hint=''

def getdata(self):

self.acname=input(' Enter your name: ')

print()

self.acno=autogen()

print('Your account number: ',self.acno)

print()

self.actype=input(' Enter your account type: ')

print()

self.acdate=datetime.date.today()

print ('Date:',self.acdate)

print()

self.acaddr1=input('Enter Address 1: ')

print()

self.acaddr2=input('Enter Address 2: ')

print()

self.accity=input('Enter City: ')

print()

self.bal=int(input('Enter opening balance: '))

print()

self.pasw=input('Enter your password: ')

print()

self.hint=self.pasw[::-1]

print()

def dispd(self):
 print()

print('Account number: ',self.acno,'\t','Name: ',self.acname,

'\t','Account type: ',self.actype,'\t',

'Balance: ',self.bal,"Date: ", self.acdate)

def addacc():

a=mainaf()

fp=open('bank.dat','ab')

a.getdata()

dump(a,fp)

fp.flush()

fp.close()

print()

print('Account has been successfully added.')

print()

print("-*"*62)

print()
def dispacc():

fp=open('bank.dat','rb')

try:

while True:

a=load(fp)

a.dispd()

except EOFError:

pass

fp.close()

def delacc():

fp1=open('bank.dat','rb')

fp2=open('temp.dat','wb')

ano=int(input('Enter account number to delete: '))

print()

try:

while True:

a=load(fp1)

if a.acno==ano:

fp2.flush()

else:

dump(a,fp2)

except EOFError:

pass

fp1.close()

fp2.close()

os.remove('bank.dat')

os.rename('temp.dat','bank.dat')
 print()

print(' Account has been successfully deleted. ')

print()

print("-*"*62)

print()

def bankserv():

while True:

print()

print('1. CREATE ACCOUNT')

print()

print('2. DISPLAY ACCOUNT')

print()

print('3. DELETE ACCOUNT')

print()

print('4. RETURN TO MAIN MENU')

print()

skey=int(input('ENTER YOUR CHOICE: '))

print()

if skey==1:

addacc()

if skey==2:

dispacc()

if skey==3:

delacc()

if skey==4:

break

print()

print("-*"*62)
class trans():

def __init__(self,na,no,ty,dt,wd,amo,mo):

self.trname=na

self.trno=no

self.trtype=ty

self.trdate=dt

self.trwd=wd

self.tramo=amo

self.trmo=mo

def dispt(self):

print('Account Name: ',self.trname,'\t','Account Type: ',self.trtype)

print()

print('Date of Transaction: ',self.trdate,'\t','Transaction Type: ',

self.trwd,'\t','Transaction Amount: ',self.tramo,'\t',

'Transaction Method: ',self.trmo)

print()

print()

def transac():

fp1=open('bank.dat','rb')

fp2=open('temp.dat','wb')

ano=int(input('Enter account number: '))

try:
while True:

a=load(fp1)

if a.acno==ano:

print('Hint:',a.hint)

print()

p=input('Enter Your Password:')

print()

if p==a.pasw:

pass

else:

print('Sorry, Incorrect Password')

print()

break

x=a.acname

y=a.actype

z=a.bal

print(' Name: ',x)

print()

print(' Current balance: ',z)

print()

k=input(' Would you like to withdraw(w) or deposit(d) ?')

print()

q=int(input(' Enter amount: '))

print()

u=input('Enter mode of transaction,(cash or cheque):')

if k=='w':

a.bal-=q
 else:

a.bal+=q

print()

print(' Transaction is complete. ')

print()

print('New balance: ',a.bal)

print()

print("-*"*62)

t=trans(x ,ano ,y ,datetime.date.today() ,k ,q

,u)

fp=open('trans.dat','ab')

dump(t,fp)

fp.flush()

fp.close()

dump(a,fp2)

else:

dump(a,fp2)

except EOFError:

pass

fp1.close()

fp2.close()

os.remove('bank.dat')

os.rename('temp.dat','bank.dat')
def current():

fp1=open('bank.dat','rb')

ano=int(input('Enter account number: '))

print()

try:

while True:

a=load(fp1)

if a.acno==ano:

print(' Name: ',a.acname,'\t',' Account type: ',a.actype,'\t',

' Closing balance: ',a.bal)

else:

pass

except EOFError:

pass

fp1.close()

def minis():

fp1=open('trans.dat','rb')

print()

tno=int(input('Enter account number: '))

print()

try:

while True:

t=load(fp1)

if t.trno==tno:

t.dispt()

except EOFError:

pass
 fp1.close()

fp1=open('bank.dat','rb')

try:

while True:

a=load(fp1)

if a.acno==tno:

print()

print('Closing balance',a.bal)

print()

print("-*"*62)

print()

else:

pass

except EOFError:

pass

fp1.close()

def mini():

while True:

print()

print('1. CURRENT STATEMENT')

 print()

print('2. MINI STATEMENT')

print()

key=int(input('ENTER YOUR CHOICE: '))

print()

if key==1:

current()

break

if key==2:

minis()

break

print()

print("-*"*62)

print()

def report():

while True:

print('1. ACCOUNT LIST')

print()

print('2. INDIVIDUAL ACCOUNT')

print()

print('3. RETURN')

print()

key=int(input('ENTER YOUR CHOICE:'))

print()

if key==1:

dispacc()

if key==2:

mini()

if key==3:

break

print()

print("-*"*62)

print()
def menu():

while True:

print()

print('MAIN MENU ')

print()

print('1. BANK SERVICES')

print()

print('2. TRANSACTION')

print()

print('3. REPORT')

print()

print('4. EXIT')

print()

skey=int(input('ENTER YOUR CHOICE: '))

print()

print("-*"*62)
 if skey==1:

bankserv()

if skey==2:

transac()

if skey==3:

report()

if skey==4:

break

print()

print("-*"*62)

print()

while True:

print(' WELCOME TO ')

print(' _DUCK BANK_ ')

print()

print('1. MAIN MENU')

print()

print('2. EXIT')

print()

key=int(input('Enter your choice: '))

print()

print('-*'*62)

if key==1:

menu()

if key==2:

break
 Output
============ RESTART: D:\George 12 B C.S\duck bank ( FINAL) 3.py ============

WELCOME TO

_DUCK BANK_

1. MAIN MENU

2. EXIT

Enter your choice: 1

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

MAIN MENU

1. BANK SERVICES

2. TRANSACTION

3. REPORT

4. EXIT

ENTER YOUR CHOICE: 1

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. CREATE ACCOUNT

2. DISPLAY ACCOUNT

3. DELETE ACCOUNT

4. RETURN TO MAIN MENU

ENTER YOUR CHOICE: 1

Enter your name: George

Your account number: 101

Enter your account type: Savings

Date: 2019-10-19

Enter Address 1: House no: 3, The Lawrence School, Lovedale

Enter Address 2: Blue Lagoon Apartments, Race course Road, Coimbatore, Flat no: 3A

Enter City: Coimbatore

Enter opening balance: 400000

Enter your password: avram

Account has been successfully added.

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. CREATE ACCOUNT

2. DISPLAY ACCOUNT

3. DELETE ACCOUNT

4. RETURN TO MAIN MENU

ENTER YOUR CHOICE: 1

Enter your name: Avram

Your account number: 102

Enter your account type: Savings

Date: 2019-10-19

Enter Address 1: Blue Lagoon Apartments, Race course Road, Coimbatore , Flat no:4B

Enter Address 2: Skyline Apartments, M.G. Road, Coimbatore, Flat no: 10F

Enter City: Coimbatore

Enter opening balance: 200000

Enter your password: ram

Account has been successfully added.

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. CREATE ACCOUNT

2. DISPLAY ACCOUNT

3. DELETE ACCOUNT
4. RETURN TO MAIN MENU

ENTER YOUR CHOICE: 2

Account number: 101 Name: George Account type: Savings Balance: 400000 Date: 2019-
10-19

Account number: 102 Name: Avram Account type: Savings Balance: 200000 Date: 2019-10-19

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. CREATE ACCOUNT

2. DISPLAY ACCOUNT

3. DELETE ACCOUNT

4. RETURN TO MAIN MENU

ENTER YOUR CHOICE: 3

Enter account number to delete: 102

Account has been successfully deleted.

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. CREATE ACCOUNT

2. DISPLAY ACCOUNT

3. DELETE ACCOUNT

4. RETURN TO MAIN MENU

ENTER YOUR CHOICE: 4

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

MAIN MENU

1. BANK SERVICES

2. TRANSACTION

3. REPORT
4. EXIT

ENTER YOUR CHOICE: 2

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

Enter account number: 101

Hint: marva

Enter Your Password: avram

Name: George

Current balance: 400000

Would you like to withdraw(w) or deposit(d) ?w

Enter amount: 12000

Enter mode of transaction,(cash or cheque):Cash

Transaction is complete.

New balance: 388000

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*
MAIN MENU

1. BANK SERVICES

2. TRANSACTION

3. REPORT

4. EXIT

ENTER YOUR CHOICE: 3

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. ACCOUNT LIST

2. INDIVIDUAL ACCOUNT

3. RETURN

ENTER YOUR CHOICE:1

Account number: 101 Name: George Account type: Savings Balance: 388000 Date: 2019-
10-19

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*
1. ACCOUNT LIST

2. INDIVIDUAL ACCOUNT

3. RETURN

ENTER YOUR CHOICE:2

1. CURRENT STATEMENT

2. MINI STATEMENT

ENTER YOUR CHOICE: 1

Enter account number: 101

Name: George Account type: Savings Closing balance: 388000

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. ACCOUNT LIST

2. INDIVIDUAL ACCOUNT

3. RETURN
ENTER YOUR CHOICE:2

1. CURRENT STATEMENT

2. MINI STATEMENT

ENTER YOUR CHOICE: 2

Enter account number: 101

Account Name: George Account Type: Savings

Date of Transaction: 2019-10-19 Transaction Type: w Transaction Amount: 12000

Transaction Method: Cash

Closing balance 388000

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

1. ACCOUNT LIST
2. INDIVIDUAL ACCOUNT

3. RETURN

ENTER YOUR CHOICE:3

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

MAIN MENU

1. BANK SERVICES

2. TRANSACTION

3. REPORT

4. EXIT

ENTER YOUR CHOICE: 4

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*

WELCOME TO

_DUCK BANK_

1. MAIN MENU
2. EXIT

Enter your choice: 2

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
*-*-*-*-*-*-*-*-*-*