From e6733952254a45ab5647ee5e7c23c6ce9d440024 Mon Sep 17 00:00:00 2001
From: Daniyal Asif <147508972+Daniyal0100101@users.noreply.github.com>
Date: Fri, 16 May 2025 15:48:32 +0500
Subject: [PATCH 1/2] Create bank_account_system.py

Added an OOP-based Bank Account System using Python
---
 SimpleBankSystem/bank_account_system.py | 46 +++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 SimpleBankSystem/bank_account_system.py

diff --git a/SimpleBankSystem/bank_account_system.py b/SimpleBankSystem/bank_account_system.py
new file mode 100644
index 0000000..7479b30
--- /dev/null
+++ b/SimpleBankSystem/bank_account_system.py
@@ -0,0 +1,46 @@
+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+            print(f"Withdrawn {amount}")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__":
+    acc = SavingsAccount("John Doe", 1000, 0.05)
+    acc.deposit(500)
+    acc.withdraw(200)
+    acc.apply_interest()
+    acc.display_balance()

From f25d019b4fd116db8bc30510b63dcdb2f926f98b Mon Sep 17 00:00:00 2001
From: Daniyal0100101 <dasif1477@gmail.com>
Date: Fri, 16 May 2025 19:47:24 +0500
Subject: [PATCH 2/2] Added user input functionality to bank account system

---
 SimpleBankSystem/bank_account_system.py | 51 ++++++++++++++++++++++---
 1 file changed, 46 insertions(+), 5 deletions(-)

diff --git a/SimpleBankSystem/bank_account_system.py b/SimpleBankSystem/bank_account_system.py
index 7479b30..3a34b91 100644
--- a/SimpleBankSystem/bank_account_system.py
+++ b/SimpleBankSystem/bank_account_system.py
@@ -39,8 +39,49 @@ def display_balance(self):
         print(f"Interest Rate: {self.interest_rate * 100}%")
 
 if __name__ == "__main__":
-    acc = SavingsAccount("John Doe", 1000, 0.05)
-    acc.deposit(500)
-    acc.withdraw(200)
-    acc.apply_interest()
-    acc.display_balance()
+    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.")