Added user input functionality

SimpleBankSystem/bank_account_system.py

@@ -0,0 +1,87 @@
+class BankAccount:
+    def __init__(self, account_holder, balance):
+        self.account_holder = account_holder
+        self.__balance = balance
+
+    def deposit(self, amount):
+        if amount > 0:
+            self.__balance += amount
+            print(f"Deposited {amount}")
+        else:
+            print("Invalid deposit amount")
+
+    def withdraw(self, amount):
+        if 0 < amount <= self.__balance:
+            self.__balance -= amount
+            print(f"Withdrawn {amount}")
+        else:
+            print("Insufficient balance or invalid amount")
+
+    def get_balance(self):
+        return self.__balance
+
+    def display_balance(self):
+        print(f"Account Holder: {self.account_holder}")
+        print(f"Balance: {self.__balance}")
+
+class SavingsAccount(BankAccount):
+    def __init__(self, account_holder, balance, interest_rate):
+        super().__init__(account_holder, balance)
+        self.interest_rate = interest_rate
+
+    def apply_interest(self):
+        interest = self.get_balance() * self.interest_rate
+        self.deposit(interest)
+        print("Interest applied")
+
+    def display_balance(self):
+        super().display_balance()
+        print(f"Interest Rate: {self.interest_rate * 100}%")
+
+if __name__ == "__main__":
+    print("=== Welcome to the Savings Account System ===")
+    name = input("Enter account holder name: ")
+
+    try:
+        balance = float(input("Enter initial balance: "))
+        interest_rate = float(input("Enter interest rate (e.g., 0.05 for 5%): "))
+    except ValueError:
+        print("Invalid input. Exiting.")
+        exit()
+    except Exception as e:
+        print(f"An error occurred: {str(e)}")
+        exit()
+
+    acc = SavingsAccount(name, balance, interest_rate)
+
+    while True:
+        print("\nSelect an option:")
+        print("1. Deposit")
+        print("2. Withdraw")
+        print("3. Apply Interest")
+        print("4. Display Balance")
+        print("5. Exit")
+
+        choice = input("Enter your choice (1-5): ")
+
+        if choice == '1':
+            try:
+                amount = float(input("Enter amount to deposit: "))
+                acc.deposit(amount)
+            except ValueError:
+                print("Invalid amount.")
+        elif choice == '2':
+            try:
+                amount = float(input("Enter amount to withdraw: "))
+                acc.withdraw(amount)
+            except ValueError:
+                print("Invalid amount.")
+        elif choice == '3':
+            acc.apply_interest()
+        elif choice == '4':
+            acc.display_balance()
+        elif choice == '5':
+            print("Thank you! Exiting.")
+            break
+        else:
+            print("Invalid choice. Please select again.")