Significance of Self keyword in Python? Difference b/w return and yield keyword? WAP to check if the number is Armstrong or not. Explain the Cucumber Framework. Design Pattern Code to read data from the Excel/CSV file Behavioral Questions and Much more technical related to Python which I am not able to recall as of now.

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Self keyword is used to refer to the instance of the class in Python. Return keyword is used to return a value from a function, while yield is used to return a generator object.

Self keyword is used inside a class method to refer to the instance of the class.
Return keyword is used to return a value from a function and exit the function.
Yield keyword is used to return a generator object and pause the function execution.
Example: def example_function(): return 10 Example: def generator_function(): yield 1 yield 2 yield 3
Armstrong number is a number that is equal to the sum of its own digits raised to the power of the number of digits.
Cucumber Framework is a tool used for behavior-driven development (BDD) testing in software development.
Design patterns are reusable solutions to common problems in software design.
Example design patterns include Singleton, Factory, and Observer patterns.
Reading data from Excel/CSV file in Python can be done using libraries like pandas or csv.