Python Programming - Generators

Exercise : Generators - General Questions
  • Generators - General Questions
41.
What is the purpose of the itertools.dropwhile() function when used with generators?
It drops the first element from the generator
It skips elements until a certain condition is false
It stops the generator after one iteration
It filters elements based on a specified condition
Answer: Option
Explanation:
itertools.dropwhile() skips elements from the generator until the specified condition becomes false, after which it yields the remaining elements.

42.
How does the generator.throw(ValueError, "message") method differ from raise ValueError("message") when used with a generator?
They have the same effect on the generator
generator.throw(ValueError, "message") is used to raise an exception inside the generator, while raise ValueError("message") is used outside the generator
raise ValueError("message") is used to raise an exception inside the generator, while generator.throw(ValueError, "message") is used outside the generator
generator.throw(ValueError, "message") stops the generator, while raise ValueError("message") continues the generator's execution
Answer: Option
Explanation:
generator.throw(ValueError, "message") is used to raise an exception inside the generator, while raise ValueError("message") is used outside the generator to raise an exception.

43.
What does the itertools.takewhile() function do when used with a generator?
It takes the first element from the generator
It takes elements until a certain condition is false
It stops the generator after one iteration
It filters elements based on a specified condition
Answer: Option
Explanation:
itertools.takewhile() takes elements from the generator until the specified condition becomes false, after which it stops yielding elements.

44.
What is the purpose of the itertools.count(start, step) function when used with generators?
It generates an infinite sequence of numbers starting from the specified value
It stops the generator after one iteration
It initializes the generator with the provided start value
It generates a sequence of numbers with a specified step value
Answer: Option
Explanation:
itertools.count(start, step) generates an infinite sequence of numbers starting from the specified value, with an optional step value.

45.
How does the generator.send(value) method differ from yield value when used with a generator?
They have the same effect on the generator
generator.send(value) sends a value into the generator, while yield value yields a value from the generator
yield value sends a value into the generator, while generator.send(value) yields a value from the generator
generator.send(value) stops the generator, while yield value continues the generator's execution
Answer: Option
Explanation:
generator.send(value) is used to send a value into the generator, while yield value is used to yield a value from the generator.