The __str__ method of the Bank class (in bank.py) returns a string containing the accounts in random order. Design and implement a change that causes the accounts to be placed in the string in ascending order of name.Implement the __str__ method of the bank class so that it sorts the account values before printing them to the console.In order to sort the account values you will need to define the __eq__ and __lt__ methods in the SavingsAccount class (in savingsaccount.py).The __eq__ method should return True if the account names are equal during a comparison, False otherwise.The __lt__ method should return True if the name of one account is less than the name of another, False otherwise. pickle.dump(account, fileObj)fileObj.close()60616263 # Functions for testing6465 def createBank (numAccounts =1):names = ("Brandon", "Molly", "Elena", "Mark", "Tricia",6667"Ken", "Jill", "Jack")68bank = Bank ().upperPin = numAccounts + 1000for pinNumber in range(1000, upperPin):name = random.choice(names)balance = float(random.randint(100, 1000))bank.add(SavingsAccount(name, str(pinNumber), balance))697071727374return bank7576 def testAccount():account = SavingsAccount("Ken", "1000", 500.00)print(account)print(account.deposit(100))print ("Expect 600:", account.getBalance())print(account.deposit(-50))print ("Expect 600:", account.getBalance()print(account.withdraw(100))print ("Expect 500:", account.getBalance())print(account.withdraw(-50))print ("Expect 500:", account.getBalance()print(account .withdraw(100000))print("Expect 500:", account.getBalance())7778798081828384858687888990 def main(number = 10, fileName = None):testAccount ()if fileName:bank = Bank (fileName)9192 ##93 ##94 ##else:bank = createBank (number)print(bank)95 ##96 ##9798 if --name_-main()'-_main__":99100101O co bank.pysavingsaccount.py2 File: bank.py3 Project 9.34 The str for Bank returns a string of accounts sorted by name.5 II II|6 import pickle7 import random8 from savingsaccount import SavingsAccount10 class Bank:11def --init__(self, fileName = None):self.accounts = {}1213self.fileName = fileNameif fileName != None:fileObj = open(fileName, 'rb')14151617while True:18try:account = pickle.load(fileObj)self.add(account)1920except Exception:fileObj.close()212223break24def --str__(self):# TODO: Sort the account values before printing to the screenreturn "
".join(map(str, self.accounts.values()))2526272829def makekey(self, name, pin):30return name + "/" + pin31def add(self, account):key = self.makekey(account.getName (), account.getPin(O)self.accounts[key] = account32333435def remove (self, name, pin):key = self.makekey(name, pin)return self.accounts.pop(key, None)36373839def get(self, name, pin):key = self.makeKey(name, pin)return self.accounts. get(key, None)4041424344def computeInterest(self):45total = 0for account in self._accounts.values():total += account.computeInterest ()464748return total4950def getKeys(self):51return []5253def save(self, fileName = None):if fileName != None:self.fileName = fileNameelif self.fileName == None:54555657returnfileObj = open(self.fileName, 'wb')for account in self.accounts.values ():pickle.dump(account, fileObj)585960

Question

The __str__ method of the Bank class (in bank.py) returns a string containing the accounts in random order. Design and implement a change that causes the accounts to be placed in the string in ascending order of name.Implement the __str__ method of the bank class so that it sorts the account values before printing them to the console.In order to sort the account values you will need to define the __eq__ and __lt__ methods in the SavingsAccount class (in savingsaccount.py).The __eq__ method should return True if the account names are equal during a comparison, False otherwise.The __lt__ method should return True if the name of one account is less than the name of another, False otherwise. pickle.dump(account, fileObj)fileObj.close()60616263 # Functions for testing6465 def createBank (numAccounts =1):names = (&#34;Brandon&#34;, &#34;Molly&#34;, &#34;Elena&#34;, &#34;Mark&#34;, &#34;Tricia&#34;,6667&#34;Ken&#34;, &#34;Jill&#34;, &#34;Jack&#34;)68bank = Bank ().upperPin = numAccounts + 1000for pinNumber in range(1000, upperPin):name = random.choice(names)balance = float(random.randint(100, 1000))bank.add(SavingsAccount(name, str(pinNumber), balance))697071727374return bank7576 def testAccount():account = SavingsAccount(&#34;Ken&#34;, &#34;1000&#34;, 500.00)print(account)print(account.deposit(100))print (&#34;Expect 600:&#34;, account.getBalance())print(account.deposit(-50))print (&#34;Expect 600:&#34;, account.getBalance()print(account.withdraw(100))print (&#34;Expect 500:&#34;, account.getBalance())print(account.withdraw(-50))print (&#34;Expect 500:&#34;, account.getBalance()print(account .withdraw(100000))print(&#34;Expect 500:&#34;, account.getBalance())7778798081828384858687888990 def main(number = 10, fileName = None):testAccount ()if fileName:bank = Bank (fileName)9192 ##93 ##94 ##else:bank = createBank (number)print(bank)95 ##96 ##9798 if --name_-main()'-_main__&#34;:99100101O co bank.pysavingsaccount.py2 File: bank.py3 Project 9.34 The str for Bank returns a string of accounts sorted by name.5 II II|6 import pickle7 import random8 from savingsaccount import SavingsAccount10 class Bank:11def --init__(self, fileName = None):self.accounts = {}1213self.fileName = fileNameif fileName != None:fileObj = open(fileName, 'rb')14151617while True:18try:account = pickle.load(fileObj)self.add(account)1920except Exception:fileObj.close()212223break24def --str__(self):# TODO: Sort the account values before printing to the screenreturn &#34;
&#34;.join(map(str, self.accounts.values()))2526272829def makekey(self, name, pin):30return name + &#34;/&#34; + pin31def add(self, account):key = self.makekey(account.getName (), account.getPin(O)self.accounts[key] = account32333435def remove (self, name, pin):key = self.makekey(name, pin)return self.accounts.pop(key, None)36373839def get(self, name, pin):key = self.makeKey(name, pin)return self.accounts. get(key, None)4041424344def computeInterest(self):45total = 0for account in self._accounts.values():total += account.computeInterest ()464748return total4950def getKeys(self):51return []5253def save(self, fileName = None):if fileName != None:self.fileName = fileNameelif self.fileName == None:54555657returnfileObj = open(self.fileName, 'wb')for account in self.accounts.values ():pickle.dump(account, fileObj)585960

Accepted Answer

Solution:
 
Python code:
 
"""File: bank.pyThis module defines the Bank class."""
class…