├── README.md
├── accounts.json
├── LICENSE
└── main.py


/README.md:
--------------------------------------------------------------------------------
 1 | # Bank Management System
 2 | 
 3 | A simple implementation of Bank management System in Python programming lanaguage completed as a mini project.
 4 | 
 5 | ## Usage
 6 | 
 7 | ```powershell
 8 |     python main.py
 9 | ```
10 | 
11 | ## Features
12 | 
13 | - Create, read, update and delete records (CRUD)
14 | 
15 | - Transaction (balance enquiry, cash deposit, cash withdrawl, fund transfer)
16 | 
17 | ## Team
18 | 
19 |   <a href = "https://github.com/amulifts"><img src = "https://avatars.githubusercontent.com/u/49828737?v=4" width="144"></a>
20 |   
21 | ## License
22 | 
23 | This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
24 | 


--------------------------------------------------------------------------------
/accounts.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "people": [
 3 |     {
 4 |       "name": "Elon Musk",
 5 |       "PIN": 2272,
 6 |       "acc_number": 1,
 7 |       "acc_balance": 1960000
 8 |     },
 9 |     {
10 |       "name": "Surya Basnet",
11 |       "PIN": 7001,
12 |       "acc_number": 2,
13 |       "acc_balance": 600700
14 |     },
15 |     {
16 |       "name": "Prajwol Kafle",
17 |       "PIN": 2001,
18 |       "acc_number": 3,
19 |       "acc_balance": 0
20 |     },
21 |     {
22 |       "name": "Piyush Osti",
23 |       "PIN": 1999,
24 |       "acc_number": 4,
25 |       "acc_balance": 400300
26 |     },
27 |     {
28 |       "name": "Grusha Bhattarai",
29 |       "PIN": 1301,
30 |       "acc_number": 5,
31 |       "acc_balance": 146690
32 |     },
33 |     {
34 |       "name": "Aman Khadka",
35 |       "PIN": 1100,
36 |       "acc_number": 6,
37 |       "acc_balance": 0
38 |     }
39 |   ]
40 | }


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2022 Aman Khadka
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/main.py:
--------------------------------------------------------------------------------
  1 | import json
  2 | import subprocess as sp
  3 | from time import sleep, time
  4 | with open('accounts.json') as f:
  5 |     data = json.load(f)
  6 | 
  7 | 
  8 | def clear():
  9 |     tmp = sp.call('cls', shell=True)
 10 | 
 11 | 
 12 | def new_user():
 13 |     # Taking the new users name
 14 |     new_data = {}
 15 |     name = ""
 16 |     checker_name = 0
 17 |     while checker_name != 1:
 18 |         first_name = input("Enter your First name: ")
 19 |         middile_name = input("Enter your Middle name(Leave empty if none): ")
 20 |         last_name = input("Enter your Last name: ")
 21 |         if len(middile_name) == 0:
 22 |             name = first_name+" "+last_name
 23 |         else:
 24 |             name = first_name+" "+middile_name+" "+last_name
 25 |         name_checker = list(name)
 26 |         for i in range(len(name_checker)):
 27 |             asci_val = ord(name_checker[i])
 28 |             if (asci_val <= 90 and asci_val >= 65) or (asci_val <= 122 and asci_val >= 97) or asci_val == 32:
 29 |                 checker_name = 1
 30 |             else:
 31 |                 checker_name = 0
 32 |                 print("Invalid Input!! Enter Your name again: \n")
 33 |                 break
 34 |     if checker_name == 1:
 35 |         new_data['name'] = name
 36 |     print(f"Welcome {name} to the Bank of TBC\n")
 37 |     # taking the new users pin
 38 |     checker_PIN = 0
 39 |     account_PIN_enter = 0000
 40 |     while checker_PIN != 1:
 41 |         account_PIN_enter = int(input("Enter you 4 digit PIN: "))
 42 |         account_PIN_checker = int(input("Re-enter you 4 digit PIN: "))
 43 |         if account_PIN_enter == account_PIN_checker:
 44 |             if account_PIN_enter > 999 and account_PIN_enter < 10000:
 45 |                 checker_PIN = 1
 46 |             else:
 47 |                 checker_PIN = 0
 48 |                 print(
 49 |                     "PIN must be 4 Digit and cannot start with 0! Enter the Pin again: \n")
 50 |         else:
 51 |             checker_PIN = 0
 52 |             print("Entered PIN does not match! Enter the Pin again: \n")
 53 |     if checker_PIN == 1:
 54 |         new_data['PIN'] = account_PIN_enter
 55 | 
 56 |     # creating the acc number
 57 |     account_number = len(data['people'])+1
 58 |     new_data['acc_number'] = account_number
 59 |     print(f"\nYour account number is: {account_number}")
 60 | 
 61 |     # setting the default accont balance at 0
 62 |     account_balance = 0
 63 |     new_data['acc_balance'] = account_balance
 64 |     print(f"\nYour account balance is: {account_balance}")
 65 |     sleep(5)
 66 |     # entering the data to the json file
 67 |     data['people'].append(new_data)
 68 |     with open('accounts.json', 'w') as f:
 69 |         json.dump(data, f, indent=2)
 70 | 
 71 | 
 72 | def existing_user():
 73 |     if len(data['people']) > 0:
 74 |         num = 0
 75 |         while True:
 76 |             check_acc_num = int(input("Please enter your Account Number: "))
 77 |             for i in range(len(data['people'])):
 78 |                 if check_acc_num == data['people'][i]['acc_number']:
 79 |                     num = i
 80 |                     break
 81 |             if i == len(data['people']) and check_acc_num != data['people'][i-1]['acc_number']:
 82 |                 print("Invalid Account Number!!")
 83 |             if check_acc_num == data['people'][num]['acc_number']:
 84 |                 break
 85 | 
 86 |         accountdetails = data['people'][num]
 87 |         name = accountdetails['name']
 88 |         print(f"Welcome {name}\n")
 89 | 
 90 |         while True:
 91 |             check_PIN_1 = int(input("Enter Your PIN : "))
 92 |             if check_PIN_1 == accountdetails['PIN']:
 93 |                 check_PIN_2 = int(input("Re-enter Your PIN : "))
 94 |                 if check_PIN_2 == check_PIN_1:
 95 |                     print("PIN is correct!")
 96 |                     break
 97 |                 else:
 98 |                     print("The PINs do not match!")
 99 |             else:
100 |                 print("Incorrect PIN!")
101 | 
102 |         while True:
103 |             clear()
104 |             print(f"Welcome {name} to the Bank of TBC\n")
105 |             choice2 = int(input(
106 |                 "\n1. View Balance\n2. Deposit\n3. Withdraw\n4. Transfer\n5. Profile\n6. Logout\n"))
107 |             if choice2 == 1:
108 |                 clear()
109 |                 balance = accountdetails['acc_balance']
110 |                 print(f"Your Account Balance is: {balance}")
111 |                 sleep(4)
112 | 
113 |             elif choice2 == 2:
114 |                 clear()
115 |                 enter_amount = int(
116 |                     input("Enter the amount you want to deposit: "))
117 |                 new_balance = accountdetails['acc_balance']+enter_amount
118 |                 data['people'][num]['acc_balance'] = new_balance
119 |                 with open('accounts.json', 'w') as f:
120 |                     json.dump(data, f, indent=2)
121 |                 print(
122 |                     f"Amount of Rs. {enter_amount} has been credited to your account!")
123 |                 print(f"Your Balance is: {new_balance}")
124 |                 sleep(3)
125 | 
126 |             elif choice2 == 3:
127 |                 while True:
128 |                     clear()
129 |                     enter_amount = int(
130 |                         input("Enter the amount you want to withdraw: "))
131 |                     if enter_amount > accountdetails['acc_balance']:
132 |                         print("You do not have this ammount of money!")
133 |                     else:
134 |                         new_balance = accountdetails['acc_balance'] - \
135 |                             enter_amount
136 |                         data['people'][num]['acc_balance'] = new_balance
137 |                         with open('accounts.json', 'w') as f:
138 |                             json.dump(data, f, indent=2)
139 |                         print(
140 |                             f"Amount of Rs. {enter_amount} has been debited from your account!")
141 |                         print(f"Your Balance is: {new_balance}")
142 |                         sleep(3)
143 |                         break
144 | 
145 |             elif choice2 == 4:
146 |                 new_num = 0
147 |                 while True:
148 |                     clear()
149 |                     enter_acc_num = int(
150 |                         input("Enter the Account number of the account you want to transfer: "))
151 |                     if enter_amount > accountdetails['acc_balance']:
152 |                         print("You do not have this ammount of money!")
153 |                     for i in range(len(data['people'])):
154 |                         if enter_acc_num == data['people'][i]['acc_number']:
155 |                             new_num = i
156 |                             break
157 |                     if i == len(data['people']) and enter_acc_num != data['people'][i-1]['acc_number']:
158 |                         print("Invalid Account Number!!")
159 |                     if enter_acc_num == data['people'][new_num]['acc_number']:
160 |                         newaccountdetails = data['people'][new_num]
161 |                         new_name = newaccountdetails['name']
162 |                         check_if_name_ok = input(
163 |                             f"Do you want to transfer to {new_name}? (Y/N)")
164 |                         while True:
165 |                             if check_if_name_ok == 'Y' or check_if_name_ok == 'y':
166 |                                 amount = int(
167 |                                     input("Enter the amount that you want to transfer: "))
168 |                                 other_person_new_balance = newaccountdetails['acc_balance']+amount
169 |                                 own_new_balance = accountdetails['acc_balance']-amount
170 |                                 data['people'][num]['acc_balance'] = own_new_balance
171 |                                 data['people'][new_num]['acc_balance'] = other_person_new_balance
172 |                                 with open('accounts.json', 'w') as f:
173 |                                     json.dump(data, f, indent=2)
174 |                                 print("Transfer Complete")
175 |                                 sleep(3)
176 |                                 break
177 |                             elif check_if_name_ok == 'N' or check_if_name_ok == 'n':
178 |                                 break
179 |                             else:
180 |                                 print("Invalid Input Enter 'Y' or 'N'")
181 |                         break
182 |             elif choice2 == 6:
183 |                 break
184 | 
185 |             elif choice2 == 5:
186 |                 while True:
187 |                     clear()
188 |                     name = accountdetails['name']
189 |                     pin = accountdetails['PIN']
190 |                     balance = accountdetails['acc_balance']
191 |                     acc_num = accountdetails['acc_number']
192 |                     print(
193 |                         f"Account Holder Name: {name}\nAccount Number: {acc_num}\nPIN: {pin}\nAccount Balance: {balance}\n")
194 |                     choice3 = int(
195 |                         input("\n\n1. Change PIN\n2. Go back to Account Menu\n3. Delete Account\n"))
196 |                     if choice3 == 2:
197 |                         break
198 |                     elif choice3 == 1:
199 |                         while True:
200 |                             clear()
201 |                             curr_PIN = int(input("Enter your Current PIN: "))
202 |                             if curr_PIN == accountdetails['PIN']:
203 |                                 new_PIN = int(input("Enter your New PIN: "))
204 |                                 if new_PIN > 999 and new_PIN < 10000:
205 |                                     data['people'][num]['PIN'] = new_PIN
206 |                                     with open('accounts.json', 'w') as f:
207 |                                         json.dump(data, f, indent=2)
208 |                                     print(
209 |                                         f"PIN changed Sucessfully!\nYour new PIN is: {new_PIN}")
210 |                                     sleep(3)
211 |                                     break
212 |                                 else:
213 |                                     print(
214 |                                         "PIN must be 4 Digit and cannot start with 0!\n")
215 |                             else:
216 |                                 print("Incorrect PIN!")
217 |                     elif choice3 == 3:
218 |                         confirm = input(
219 |                             "Are you sure you want to delete your account!!(Y/N)? ")
220 |                         if confirm == 'Y' or confirm == 'y':
221 |                             while True:
222 |                                 check_PIN_1 = int(input("Enter Your PIN : "))
223 |                                 if check_PIN_1 == accountdetails['PIN']:
224 |                                     check_PIN_2 = int(
225 |                                         input("Re-enter Your PIN : "))
226 |                                     if check_PIN_2 == check_PIN_1:
227 |                                         data['people'].pop(num)
228 |                                         with open('accounts.json', 'w') as f:
229 |                                             json.dump(data, f, indent=2)
230 |                                         print(
231 |                                             "Account Sucessfully Deleted! and your money is gone forever!!")
232 |                                         sleep(3)
233 |                                         break
234 |                                     else:
235 |                                         print("The PINs do not match!")
236 |                                 else:
237 |                                     print("Incorrect PIN!")
238 |                         break
239 | 
240 |     else:
241 |         print("There are no accounts in this bank!")
242 | 
243 | 
244 | def about():
245 |     print('''\n==========ABOUT US==========
246 |         This project has been created by Aman Khadka.
247 |         It is a basic Python Project for my 1st Semester.''')
248 | 
249 | 
250 | def developer_mode():
251 |     print(data)
252 |     sleep(10)
253 | 
254 | 
255 | # main
256 | while True:
257 |     print("Welcome to the Bank of TBC\n")
258 |     choice1 = int(input("1. Sign up\n2. Login\n3. About\n4. Exit\n"))
259 |     if choice1 == 1:
260 |         clear()
261 |         new_user()
262 |     elif choice1 == 2:
263 |         clear()
264 |         existing_user()
265 |     elif choice1 == 3:
266 |         about()
267 |     elif choice1 == 5:
268 |         clear()
269 |         developer_mode()
270 |     elif choice1 == 4:
271 |         break
272 | 


--------------------------------------------------------------------------------