week4 assignment solutions

asgn1.py

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+
+# # sorry I don't get the number eight question 8. Create a `School` object and threee students, add first 2 students to school. Print students and afterwards try to add the third student.
+
+# 9. Use `__dict__` method to see attributes
+# s=[]
+# while len(s)<=4:
+#     x=str(input('inter'))
+#     s.append(x)
+# print(s)
+
+# class school():
+#     students=[]
+#     def __init__(self,capacity):
+#         self.capacity=capacity 
+#     def add_student(self):
+#         while True:
+#             if len(capacity_obj.students)<=self.capacity:
+#                 student_name=input('enter student name')
+#                 capacity_obj.students.append(student_name)
+#                 print(capacity_obj.students)
+
+#             else:
+#                 if len(capacity_obj.students)>self.capacity:
+#                   print('error;beyoned the capacity')
+#                   break
+#     def print_student(self):
+#         ad_st=capacity_obj.add_student()
+#         for student in capacity_obj.students: 
+#             print(student,end=', ')
+# capacity_obj=school(3)
+# capacity_obj.add_student()
+# print(capacity_obj.print_student())
+
+class student():
+    def __init__(self,name,age,gender) :
+        self.name=name
+        self.age=age
+        self.gender=gender
+    def __str__(self) :
+        return f'{self.name},{self.age},{self.gender}'
+
+
+
+student_obj=student('name','age','gender')
+print(student_obj)
+print(student_obj.__dict__)

asgn2.py

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+# 1. Write a `Rectangle` class, allowing you to build a rectangle with `length`
+# and `width` attributes.
+
+# 2. Create a `perimeter()` method to calculate the perimeter
+# of the rectangle and an `area()` method to calculate the area of ​​the rectangle.
+
+# 3. Create a method `display()` that displays the length, width, perimeter and area of an
+# object created using an instantiation on `Rectangle` class.
+
+from operator import length_hint
+
+
+class rectangle():
+
+    def __init__(self,width,lenght):
+        self.width=width
+        self.lenght=lenght
+
+    def perimeter(self):
+        perimeter=(self.lenght +self.width)*2
+        return perimeter
+    def area(self):
+        area=self.lenght*self.width
+        return area
+    def display(self):
+        x=rectangle.area()
+        y=rectangle.perimeter()
+        return f'lenght:{self.lenght}, width:{self.width},area:{x},perimeter:{y}'
+rectangle=rectangle(3,4)
+print(rectangle.display())

asgn3.py

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+# 1. Create a Python class called  `BankAccount`  which represents a bank account, having as attributes: 
+# `accountNumber`,  `name` , `balance`.
+
+# 2.  Create a  **constructor**  with parameters:  `accountNumber`, `name`, `balance`.
+# 3.  Create a  `deposit()`  method which manages the deposit actions. (deposit() method will take parameter
+# d and you will increase the balance with the amount d)
+
+# 4.  Create a  `withdrawal()` method which manages withdrawals actions. (withdrawal() 
+# method will take parameter w, you will reduce the amount of balance with w, if w is larger than the balance: 
+# then print `Impossible operation! Insufficient balance!"`)
+
+
+# 5.  Create a `bankFees()` method to apply the bank fees with a percentage of 5% of the balance account. 
+# (When this method is called, the balance amount should reduce 5%)
+# 6.  Create a  `display()` method to display account details.
+class BankAccount():
+    def __init__(self,accountNumber,name,balance):
+        self.accountNumber=accountNumber
+        self.name=name
+        self.balance=balance
+    def deposit(self):
+        d=float(input('enter the amount you want to deposit: '))
+        self.balance+=d
+        return self.balance
+    def withdrawal(self):
+        w=float(input('enter the withdrawal amount'))
+        if self.balance >= w:
+            return self.balance-w
+        else:
+            print('mpossible operation! Insufficient balance!')
+    def bankFees(self):
+        return self.balance*.05
+    def display(self):
+        y=input('which operation would you like to undertake,withdraw or disposit? for disposit ener d for withdraw w: ').lower()
+        if y=='d':
+            dip=bankdetail.deposit()
+            return f'account number: {self.accountNumber} -accountholder: {self.name} -current balance: {dip}'
+        elif y=='w':
+            wit=bankdetail.withdrawal()
+            fe=bankdetail.bankFees()
+            return f'account number:{self.accountNumber} -Accountholder:{self.name} -current balance:{wit} nankfee:{fe}'
+
+
+
+bankdetail=BankAccount('w12e3r4','tamerat',50)
+print(bankdetail.display())
+