class Person:
def __init__(self, _name, _age):
self.name = _name
self.age = _age
def sayHi(self):
print('Hello, my name is ' + self.name + ' and I am ' + self.age + ' years old!')
p1 = Person('Bob', 25)
p1.sayHi() # Prints: Hello, my name is Bob and I am 25 years old!class Person:#set name of class to call it
def __init__(self, name, age):#func set ver
self.name = name#set name
self.age = age#set age
def myfunc(self):#func inside of class
print("Hello my name is " + self.name)# code that the func dose
p1 = Person("barry", 50)# setting a ver fo rthe class
p1.myfunc() #call the func and whitch ver you want it to be with # Standard way of writing a simple class
class Person1:
# Type hinting not required
def __init__(self, name: str, age: int, num_children=0):
self.name = name
self.age = age
self.num_children = num_children
def __repr__(self):
return f'My name is {self.name}, I am {self.age} years old, and I have {self.num_children} children'
from dataclasses import dataclass
# A class using data classes. Dataclasses are simpler but can't support operations during initialization
@dataclass()
class Person2:
""" This class handles the values related to a person. """
name: str # Indicating types is required
age: int
num_children = 0 # Default values don't require an indication of a type
def __repr__(self):
return f'My name is {self.name}, I am {self.age} years old, and I have {self.num_children} children'
# Both classes (Person1 and Person2) achieve the same thing but require different code to do it
person1 = Person1('Joe', 28, 2)
print(person1)
# Result: My name is Joe, I am 28 years old, and I have 2 children
person2 = Person2('Emma', 19)
print(person2)
# Result: My name is Emma, I am 19 years old, and I have 0 childrenclass Human():
def __init__(self, _name, _age):
self.name = _name
self.age = _age
def walk(self):
print("walking...")
Person = Human('John', 32)
Person.walk()
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
def myfunc(self):
print("Hello my name is " + self.name +".")
p1 = Person("Victor", 24)
p1.myfunc()# Python program to demonstrate
# use of a class method and static method.
from datetime import date
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
# a class method to create a
# Person object by birth year.
@classmethod
def fromBirthYear(cls, name, year):
return cls(name, date.today().year - year)
# a static method to check if a
# Person is adult or not.
@staticmethod
def isAdult(age):
return age > 18
person1 = Person('mayank', 21)
person2 = Person.fromBirthYear('mayank', 1996)
print(person1.age)
print(person2.age)
# print the result
print(Person.isAdult(22))