Answers for "python instance of"

Python

isistance exmaple

#Working of isinstance() with Native Types
numbers = [1, 2, 3]

result = isinstance(numbers, list)
print(numbers,'instance of list?', result)

result = isinstance(numbers, dict)
print(numbers,'instance of dict?', result)

result = isinstance(numbers, (dict, list))
print(numbers,'instance of dict or list?', result)

number = 5

result = isinstance(number, list)
print(number,'instance of list?', result)

result = isinstance(number, int)
print(number,'instance of int?', result)



# Result

[1, 2, 3] instance of list? True
[1, 2, 3] instance of dict? False
[1, 2, 3] instance of dict or list? True
5 instance of list? False
5 instance of int? True

Posted by: Guest on December-07-2020

instance method in python

# Instance Method Example in Python 
class Student:
    
    def __init__(self, a, b):
        self.a = a
        self.b = b 
    
    def avg(self):
        return (self.a + self.b) / 2

s1 = Student(10, 20)
print( s1.avg() )

Posted by: Guest on August-12-2020

Source

isinstance python 3 not running

isinstance(object, classinfo)

Posted by: Guest on November-07-2020

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class variable in python

# Class variables refer to variables that are made within a class.
# It is generated when you define the class.
# It's shared with all the instance of that class.
# Example:

class some_variable_holder(object):
    
    var = "This variable is created inside the class some_variable_holder()."
    
    def somefunc(self):
        print("Random function ran.")

thing = some_variable_holder()
another_thing = some_variable_holder()

# Both does the same thing because the same variable has been passed on from the class.
thing.var
another_thing.var

Posted by: Guest on August-27-2020

instance method python

class MyClass:
    def method(self):
        return 'instance method called', self

    @classmethod
    def classmethod(cls):
        return 'class method called', cls

    @staticmethod
    def staticmethod():
        return 'static method called'

Posted by: Guest on September-09-2021

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