Untitled

class Bank:
    def __init__(self, balance):
        self.balance = balance

    def transfer(self, account1, account2, money):
        # Check if both accounts exist and there's enough balance in the first account
        if account1 > 0 and account1 <= len(self.balance) and account2 > 0 and account2 <= len(self.balance) and self.balance[account1 - 1] >= money:
            self.balance[account1 - 1] -= money
            self.balance[account2 - 1] += money
            return True
        else:
            return False

    def deposit(self, account, money):
        # Check if account exists
        if account > 0 and account <= len(self.balance):
            self.balance[account - 1] += money
            return True
        else:
            return False

    def withdraw(self, account, money):
        # Check if account exists and there's enough balance
        if account > 0 and account <= len(self.balance) and self.balance[account - 1] >= money:
            self.balance[account - 1] -= money
            return True
        else:
            return False

# Testing the Bank class as per the example given
bank = Bank([10, 100, 20, 50, 30])

# List to store the results of operations
results = [None]

# Executing the operations
results.append(bank.withdraw(3, 10))
results.append(bank.transfer(5, 1, 20))
results.append(bank.deposit(5, 20))
results.append(bank.transfer(3, 4, 15))
results.append(bank.withdraw(10, 50))

results