Python-Project-Checkbook/checkbook.py at main · annie-carter/Python-Project-Checkbook · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
# The application re-serves the menu after interface executions
def keep_going():
    keep_going = input('Would you like to make another transaction? select y or n: ')
    if keep_going == 'y':
        main()
    elif keep_going == 'n':
        exit_option()
    else:
        print('That is an invalid input. Please try again')
        main()


import json

def close_ledger(acct_balance):
     with open('ledger.txt', 'w') as nb:
        json.dump(acct_balance, nb)

# The transactions effect a balance that is saved to a ledger file.
# The user is able to view the balance appropriately
def balance_option(acct_balance):
    print(f'Your balance is $ {acct_balance}')
    keep_going()
   # print(acct_balance)

# The crediting option of the application operates appropriately
def credit_option(acct_balance):
    credit_input = input('How much would you like to credit this account: $')
    if credit_input.isdigit() == False:
        print('That is an invalid input. Please try again')
        main()
    else:
        acct_balance = float(acct_balance) + float(credit_input)
        print(f'Your new balance after credit is: $ {acct_balance}')
        close_ledger(acct_balance)
        keep_going()
        return acct_balance

# The debit option of the application operates appropriately
def debit_option(acct_balance):
    debit_input = input('How much would you like to withdraw: $')
    if debit_input.isdigit() == False:
        print('That is an invalid input. Please try again')
        main()
    else:
        debit_amount = float(debit_input)
        new_balance = float(acct_balance) - debit_amount
        if debit_input.isdigit():
            print(f'Your new balance after debit is: ${new_balance}')
            close_ledger(new_balance)
            keep_going()
            return acct_balance

#The checkbook application can be closed appropriately

def exit_option():
    exit_input = input('Are you sure you want to exit? select y or n:')
    if exit_input == 'y':
        print(f'Thank you and Goodbye!')
    elif exit_input == 'n':
        print('You will be returned to the main screen')
        main()
    else:
        print('That is an invalid input.')
        main()


#View Balance, Credit, Debit, and Exit
# #1. Basic functionality
# # application opens interface 4 opts. The transaction with balance saved file

def main():
    ledger = open('ledger.txt')
    acct_balance = ledger.read()

    print('\n\nWelcome to the Bank of Carter! \nPlease review Terms of Use Agreement in README.md \nPlease type option from the menu as prompted \nor you will be removed from the bank? \n\n')
    print('1 = balance\n2 = credit\n3 = debit\n4 = exit\n')


#     balance = 'Balance'
#     credit = 'Credit'
#     debit = 'Debit '
#     exit = 'Exit'

    choice = input()

    if choice == '1':
        print( 'You selected balance')
        balance_option(acct_balance)
    elif choice == '2':
        print('You selected credit account')
        credit_option(acct_balance)
    elif choice == '3':
        print('You selected debit account')
        debit_option(acct_balance)
    elif choice == '4':
        print('You selected exit checkbook')
        exit_option()
    elif not choice.isdigit():
        print('That is an invalid input. Please try again')
        main()
    # close_ledger()


main()