class Employee:
    pass 
​
# instances of a Employee classes
emp_1 = Employee()
emp_2 = Employee()
s
# unique data 
#manually variable setting - prone to human error
emp_1.first = 'Corey'
emp_1.last = 'Scafer'
emp_1.email = '[email protected]'
emp_1.pay = '50000'
​
emp_2.first = 'Test'
emp_2.last = 'User'
emp_2.email = '[email protected]'
emp_21.pay = '60000'
######
​
class Employee:
    def __init__(self,first,last,pay):
        #set instance variable 
        self.first = first
        self.last = last
        self.pay =pay
        self.email = first +'.' + last + '@company.com'
        
    # each method within a class automatically takes the insance as the first argument
    # and we always call that self
    def fullname(self)
        return '{}{}'.format(self.first,self.last)
    
# better solution: runs init automatically 
emp_1 = Employee('Corey','Scafer',50000)
emp_2 = Employee('Test','User',60000)
​
print(emp_1.email)
print(emp_2.email)
​
# running actions
    #manually 
    print('{}{}'.format)emp_1.first,emp_1,last))
    
    # better 
    print(emp_1.fullname()) # notice the parenthesis as it is a method
​
#notes
#classes are kinda like function
# remember to put self in methods in class
    emp_1.fullname() is same as Employee.fullname(emp_1))