class LoanManager:
#Constructor: no parameters.
def __init__(self):
self.bank_loans = {}
#registers a loan application for a customer with the amount and interest rate (percentage).
#Returns True if successful, False if the customer already has a loan.
def apply_for_loan(self, customer, amount, interest_rate):
if customer in self.bank_loans:
return False
else:
self.bank_loans[customer] = amount + (amount * interest_rate)/100
return True
#returns the total balance for a customer, including interest.
#Returns "N/A" if the customer does not have a loan.
def get_loan_balance(self, customer):
if customer not in self.bank_loans:
return 'N/A'
else:
return self.bank_loans[customer]
#reduces the loan balance for a customer by the payment amount.
#Returns True if successful, False if the payment exceeds the balance
#or if the customer does not have a loan.
def pay_loan(self, customer, payment):
if customer not in self.bank_loans:
return False
balance = self.bank_loans[customer]
if payment > balance:
return False
self.bank_loans[customer] -= payment
if self.bank_loans <= 0:
del self.bank_loans[customer]
return True
