Blazeclan Technologies Lead Data Engineer Interview Questions and Answers

Decorators are a way to modify or enhance the behavior of a function or class without changing its source code.

• Decorators are defined using the '@' symbol followed by the decorator name.

• They can be used to add functionality to a function or class, such as logging or timing.

• Decorators can also be used to modify the behavior of a function or class, such as adding caching or memoization.

• Multiple decorators can be applied ...read more

Generators are functions that allow you to declare a function that behaves like an iterator.

• Generators use the yield keyword to return a generator object that can be iterated over.

• They allow for lazy evaluation, meaning that they only generate values as needed.

• Generators are memory efficient as they do not store all values in memory at once.

• They can be used to generate an infinite sequence of values.

• Example: def my_gen...read more