Lesson 8!, Python 3

Language: Layout:

# Object Oriented Programming
'''
1. Create a Class called Student
2. Instantiate an object of the class (create an example of the class)
3. Student():
       attribute: first name
       attribute: last name
       attribute: email address
       
  Class:        Student()
  Object:       std_1, std_2, ...
  Constructor:  def __init__(self, ...)
  Attributes:   first, last, email, UIN
  Methods:      __init__(self, ...), fullname()
'''

# University, Chemistry Course [40 students]
class Student:
    def __init__(self, first, last, UIN): # constructor
        self.first = first
        self.last = last
        self.email = first + '.' + last + '@email.com'
        self.UIN = UIN

def fullname(self):
        return '{} {}'.format(self.first, self.last)
    
        
# 'std_1' is an object for my class 'Student'
std_1 = Student('Ali','Ahmed',100) 
std_2 = Student('Noor','Fatima',201)
std_3 = Student('Shaikha','Ahmed',152)
std_4 = Student('James','White',183)
std_5 = Student('John','Hutch',104)
std_6 = Student('Jim','Rogers',405)
std_7 = Student('Little','Stuart',206)

#print (std_1.fullname() )

## --------------------------------------------------------------
        
''' Answer the following:
1. What's the name of the class? 
Employee

2. What's the constructor? 
__init__

3
    a. How many arguments does the constructor take? 
    4

b. How many arguments are passed to the object of the class? 
    3

4. How many attributes are there? List them out. 
first, last, email, pay
        
5. Fill up the missing statements from lines 41-44

6. Create an object of the class. And run the code.
emp_1 = Employee('Faiha','Maryam', 1000)

7. Who is the object for the class?
emp_1

'''

class Employee:
    def __init__(self, first_name, last_name, salary):
        self.first = first_name
        self.last = last_name
        self.email = first_name + '.'+ last_name +'@email.com'
        self.pay = salary
        
    def GetName(self):
        print (self.first, self.last) 
        
    def GetEmail(self):
        print (self.email)
        
    # write a method to display salary
    def GetSalary(self):
        print (self.pay)
        
    # write a method to raise the salary by some percentage
    def RaiseSalary(self, amt):
        self.pay=self.pay+(self.pay*amt/100)
    
    # write a method to display the gender
    def GetGender(self):
        print (self.gender)
        
    def SetGender(self, gender):
        self.gender = gender
        
    # write a method that gives the nationality of the employee
    def SetNationality(self, nationality):
        self.nationality=nationality
    
    def GetNationality(self):
        print(self.nationality)
        
    # Getters (Accessors) -> return/print something
    # Setters (Mutators)  -> Setting/calculating something

''' Challenges
    1. Print the name
    2. Raise the salary
    3. Include the gender of the employee
'''

emp_1 = Employee('Faiha','Mariam', 10000)
emp_1.SetGender('F')
emp_1.SetNationality('Qatari')
emp_1.GetNationality()

print (emp_1.__dict__)
# First data structure: Stack

[ + ] Show input
Absolute running time: 0.15 sec, cpu time: 0.13 sec, memory peak: 6 Mb, absolute service time: 0,16 sec