Have you used the yield from construct in Python for delegating generators?

Yes, the yield from construct in Python is used for delegating generators — it allows a nested generator to pass values directly to the calling generator.

This is convenient when you need to combine multiple generators or iterable objects without writing additional loops.

Example:

# Generator that delegates to another generator
def generator1():
    yield from range(3)
    yield from "abc"

for value in generator1():
    print(value)

Output will be:

0
1
2
a
b
c

Without yield from, you would have to write nested loops to iterate over each nested generator. This construct was introduced in Python 3.3 and greatly simplifies working with generators.