اثير الشهراني lab_101.py

bank_account.py

@@ -0,0 +1,35 @@
+class BankAccount:
+
+    def __init__(self, account_holder, initial_balance=0):
+        self.__account_holder = account_holder   # Encapsulation
+        if initial_balance >= 0:
+            self.__balance = initial_balance
+        else:
+            self.__balance = 0
+
+    # Deposit Method
+    def deposit(self, amount):
+        if amount <= 0:
+            raise ValueError("Deposit amount must be positive.")
+
+        self.__balance += amount
+        return self.__balance
+
+    # Withdraw Method
+    def withdraw(self, amount):
+        if amount <= 0:
+            raise ValueError("Withdrawal amount must be positive.")
+
+        if amount > self.__balance:
+            raise Exception("Insufficient funds.")
+
+        self.__balance -= amount
+        return self.__balance
+
+    # Get Balance
+    def get_balance(self):
+        return self.__balance
+
+    # Get Account Holder
+    def get_account_holder(self):
+        return self.__account_holder

main.py

@@ -0,0 +1,29 @@
+from bank_account import BankAccount
+
+# Create account
+account1 = BankAccount("Reema", 1000)
+
+print("Account Holder:", account1.get_account_holder())
+print("Initial Balance:", account1.get_balance())
+
+# Deposit
+try:
+    new_balance = account1.deposit(500)
+    print("Balance after deposit:", new_balance)
+except ValueError as e:
+    print("Error:", e)
+
+# Withdraw
+try:
+    new_balance = account1.withdraw(200)
+    print("Balance after withdrawal:", new_balance)
+except Exception as e:
+    print("Error:", e)
+
+# Withdraw more than balance (to test exception)
+try:
+    account1.withdraw(5000)
+except Exception as e:
+    print("Error:", e)
+
+print("Final Balance:", account1.get_balance())