Question
The PredatoryCreditCard class of Section 2.4.1 provides a process month method that models the completion of a monthly cycle. Modify the class so that once
The PredatoryCreditCard class of Section 2.4.1 provides a process month method that models the completion of a monthly cycle. Modify the class so that once a customer has made ten calls to charge in the current month, each additional call to that function results in an additional $1 surcharge. by python
this is of section 2.4.1
1 class PredatoryCreditCard(CreditCard):
2 An extension to CreditCard that compounds interest and fees.
3
4 def init (self, customer, bank, acnt, limit, apr):
5 Create a new predatory credit card instance.
6
7 The initial balance is zero.
8
9 customer the name of the customer (e.g., John Bowman )
10 bank the name of the bank (e.g., California Savings )
11 acnt the acount identifier (e.g., 5391 0375 9387 5309 )
12 limit credit limit (measured in dollars)
13 apr annual percentage rate (e.g., 0.0825 for 8.25% APR)
14
15 super( ). init (customer, bank, acnt, limit) # call super constructor
16 self. apr = apr
17
18 def charge(self, price):
19 Charge given price to the card, assuming sufficient credit limit.
20
21 Return True if charge was processed.
22 Return False and assess 5 fee if charge is denied.
23
24 success = super( ).charge(price) # call inherited method
25 if not success:
26 self. balance += 5 # assess penalty
27 return success # caller expects return value
28
29 def process month(self):
30 Assess monthly interest on outstanding balance.
31 if self. balance > 0:
32 # if positive balance, convert APR to monthly multiplicative factor
33 monthly factor = pow(1 + self. apr, 1/12)
34 self. balance = monthly factor
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