What will be the output of the following code?class MyClass: class_variable = 10 def __init__(self, instance_variable): self.instance_variable = instance_variableobj1 = MyClass(20)obj2 = MyClass(30)MyClass.class_variable = 40print(obj1.class_variable, obj2.class_variable)
Question
What will be the output of the following code?class MyClass: class_variable = 10 def init(self, instance_variable): self.instance_variable = instance_variableobj1 = MyClass(20)obj2 = MyClass(30)MyClass.class_variable = 40print(obj1.class_variable, obj2.class_variable)
Solution
The output of the code will be:
40 40
Explanation:
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A class MyClass is defined with a class variable 'class_variable' and an instance variable 'instance_variable'. The class variable is shared by all instances of the class.
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Two instances of MyClass, obj1 and obj2, are created with instance_variable values of 20 and 30 respectively.
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The class variable 'class_variable' is then changed to 40. This change affects all instances of the class because class variables are shared among all instances.
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When we print obj1.class_variable and obj2.class_variable, we get 40 for both because the class variable has been changed to 40.
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