Generator Functions
A function with a yield statement becomes a generator function. Calling it returns a generator iterator that produces values lazily.
Python
Intermediate
4 min read
Generator Functions
Example
def countdown(n):
while n > 0:
yield n
n -= 1
for val in countdown(5):
print(val) # 5 4 3 2 1 Pro Tip
Generators maintain their state between yields — no manual tracking needed.