class in python

1class LuckyLemur():
2  	def __init__(self, description):
3		self.description = description
4	
5    def reveal_description(self):
6    	print(f'Lucky Lemur is {self.description}')
7
8lucky_lemur = LuckyLemur('Pro')
9lucky_lemur.reveal_description()

1class ComplexNumber:
2    def __init__(self, r=0, i=0):
3        self.real = r
4        self.imag = i
5
6    def get_data(self):
7        print(f'{self.real}+{self.imag}j')
8
9
10# Create a new ComplexNumber object
11num1 = ComplexNumber(2, 3)
12
13# Call get_data() method
14# Output: 2+3j
15num1.get_data()
16
17# Create another ComplexNumber object
18# and create a new attribute 'attr'
19num2 = ComplexNumber(5)
20num2.attr = 10
21
22# Output: (5, 0, 10)
23print((num2.real, num2.imag, num2.attr))
24
25# but c1 object doesn't have attribute 'attr'
26# AttributeError: 'ComplexNumber' object has no attribute 'attr'
27print(num1.attr)

1class Person:
2    "This is a person class"
3    age = 10
4
5    def greet(self):
6        print('Hello')
7
8
9# Output: 10
10print(Person.age)
11
12# Output: <function Person.greet>
13print(Person.greet)
14
15# Output: "This is a person class"
16print(Person.__doc__)

1class Vehicle:
2    def __init__(self, brand, model, type):
3        self.brand = brand
4        self.model = model
5        self.type = type
6        self.gas_tank_size = 14
7        self.fuel_level = 0
8
9    def fuel_up(self):
10        self.fuel_level = self.gas_tank_size
11        print('Gas tank is now full.')
12
13    def drive(self):
14        print(f'The {self.model} is now driving.')
15

12+3j
2(5, 0, 10)
3Traceback (most recent call last):
4  File "<string>", line 27, in <module>
5    print(num1.attr)
6AttributeError: 'ComplexNumber' object has no attribute 'attr'

1class LambdaClass: 
2    x = lambda a, b, c, d, e, f: a + b + c + d + e + f
3    print(x(31231, 312, 312, 31, 12, 31))
4
5print(LambdaClass)