Python Programming - Generators - Discussion
Discussion Forum : Generators - General Questions (Q.No. 96)
96.
How does the
itertools.tee() function behave when used with a generator that contains mutable objects?
Answer: Option
Explanation:
itertools.tee() creates independent iterators, and changes in one iterator do not affect the others. Each iterator maintains its own state.
import itertools
def generator_with_mutable():
mutable_list = [1, 2, 3]
for item in mutable_list:
yield item
gen1, gen2 = itertools.tee(generator_with_mutable(), 2)
# Modify gen1 without affecting gen2
next(gen1)
gen1_list = list(gen1)
gen2_list = list(gen2)
print(gen1_list) # Output: [2, 3]
print(gen2_list) # Output: [1, 2, 3]
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