diff --git a/first_answer.py b/first_answer.py
new file mode 100644
index 0000000..ee454a4
--- /dev/null
+++ b/first_answer.py
@@ -0,0 +1,45 @@
+class School:
+    students = []
+
+    def __init__(self, capacity: int):
+        self.capacity = capacity
+
+
+class Student(School):
+    num_of_students = 0
+
+    def __init__(self, name, age, gender):
+        self.name = name
+        self.age = age
+        self.gender = gender
+        Student.num_of_students += 1
+
+    def __str__(self):
+        return f''''
+        studen name = {self.name} 
+        age = {self.age}
+        gender = {self.gender}
+        '''
+
+    def add_student(self, capacity):
+        if Student.num_of_students <= capacity:
+            School.students.append(self)
+        else:
+            print("OOps!, it is full capacity")
+
+    def print_students(self):
+        for i in School.students:
+            print(Student.__str__(self))
+
+
+cap = School(2)
+student1 = Student("Mike", 20, "M")
+student2 = Student("Jack", 22, "M")
+
+student1.add_student(cap.capacity)
+student2.add_student(cap.capacity)
+print(cap.students)
+
+student3 = Student("Lily", 21, "F")
+student3.add_student(cap.capacity)
+print(cap.students)
diff --git a/second_answer.py b/second_answer.py
new file mode 100644
index 0000000..c533c35
--- /dev/null
+++ b/second_answer.py
@@ -0,0 +1,23 @@
+class Rectangle:
+
+    def __init__ (self, length, width):
+        self.length = length
+        self.width = width
+
+    def perimeter(self):
+        return 2 * (self.width + self.length)
+
+    def area(self):
+        return self.width * self.width
+
+    def display(self):
+        return f''''
+        Length = {self.length}
+        Width = {self.width}
+        Perimeter = {self.perimeter()}
+        area = {self.area()}
+        '''
+
+
+r = Rectangle(5,6)
+print(r.display())
diff --git a/third_answer.py b/third_answer.py
new file mode 100644
index 0000000..062ee32
--- /dev/null
+++ b/third_answer.py
@@ -0,0 +1,33 @@
+class BankAccount:
+    fee = 0.05
+
+    def __init__(self, accountNumber, name, balance):
+        self.accountNumber = accountNumber
+        self.name = name
+        self.balance = balance
+
+    def deposit(self, d):
+        self.balance += d
+
+    def withdraw(self, w):
+        if w <= self.balance:
+            self.balance -= w
+        else:
+            print("Impossible operation! Insufficient balance!")
+
+    def bankFees(self):
+        self.balance -= (BankAccount.fee * self.balance)
+
+    def display(self):
+        print(f''''
+        Account Number = {self.accountNumber}
+        Name = {self.name}
+        Balance = {self.balance}
+        ''')
+
+
+r1 = BankAccount(56445, "ghassan", 2000)
+r1.display()
+r1.deposit(1000)
+r1.withdraw(500)
+r1.display()