Python : Class

Class in Python

# Class name: Employee

# 2 Methods/Function: set_name, set_salary

# 2 Attributes: name, salary

# 1 object/instance: emp

class Employee:

    def set_name(self, new_name):

        self.name = new_name

    def set_salary(self, new_salary):

        self.salary = new_salary

  # Add a give_raise() method with raise amount as a parameter

    def give_raise(self, amount):

        self.salary = self.salary + amount

 

emp = Employee()

emp.set_name('Korel Rossi')

emp.set_salary(50000)

# Print the salary attribute of emp

print(emp.salary)

# Increase salary of emp by 1500

emp.salary = emp.salary + 1500

# Print the salary attribute of emp again

print(emp.salary)

class Employee:

            def set_name(self, new_name):

                self.name = new_name

       

            def set_salary(self, new_salary):

                self.salary = new_salary

       

            # Add a give_raise() method with raise amount as a parameter

            def give_raise(self, amount):

                self.salary = self.salary + amount

       

        emp = Employee()

        emp.set_name('Korel Rossi')

        emp.set_salary(50000)

       

        print(emp.salary)

        emp.give_raise(1500)

        print(emp.salary)

o/p

50000

51500

class Employee:

            def set_name(self, new_name):

                self.name = new_name

       

            def set_salary(self, new_salary):

                self.salary = new_salary

       

            def give_raise(self, amount):

                self.salary = self.salary + amount

       

            # Add monthly_salary method that returns 1/12th of salary attribute

            def monthly_salary(self):

                return self.salary / 12

           

        emp = Employee()

        emp.set_name('Korel Rossi')

        emp.set_salary(50000)

       

        # Get monthly salary of emp and assign to mon_sal

        mon_sal = emp.monthly_salary()

       

        # Print mon_sal

        print(mon_sal)

4166.666666666667

class Employee:

            # Create __init__() method

            def __init__(self, _name, _salary=0.0):

                # Create the name and salary attributes

                self.name = _name

                self.salary = _salary

           

            # From the previous lesson

            def give_raise(self, amount):

                self.salary += amount

       

            def monthly_salary(self):

                return self.salary/12

               

        emp = Employee("Korel Rossi")

        print(emp.name)

        print(emp.salary)

Korel Rossi

0.0

# Import datetime from datetime

         from datetime import datetime

        

         class Employee:

            

             def __init__(self, name, salary=0):

                 self.name = name

                 if salary > 0:

                   self.salary = salary

                 else:

                   self.salary = 0

                   print("Invalid salary!")

                  

                 # Add the hire_date attribute and set it to today's date

                 self.hire_date = datetime.today()

                   

         emp = Employee("Korel Rossi")

         print(emp.name)

         print(emp.hire_date)

Invalid salary!

Korel Rossi

2020-06-25 18:48:18.924258

        import numpy as np

        import math

       

        class Point:

            def __init__(self,x=0,y=0):

                self.x = x

                self.y = y

            def distance_to_origin(self):

                return math.sqrt(self.x**2 + self.y**2)

            def reflect(self,axis):

                self.axis = axis

                if axis=='x':

                    self.y = - self.y

                elif axis == 'y':

                    self.x = - self.x

                else:

                    print('Error')