>> If they need to resume their calculations from where they left off
>> after the last yield.
Wolfgang> Well, no, independently from that.
Wolfgang> Just to avoid to inital overhead of the function call.
How do you pass in parameters? Consider:
def square(x):
return x*x
vs
def square(x)
while True:
yield x*x
How do you get another value of x into the generator?
>>> def square(x):
... while True:
... yield x*x
...
>>> g = square(2)
>>> g
<generator object at 0x3b9d28>
>>> g.next()
4
>>> g.next()
4
>>> g.next(3)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: expected 0 arguments, got 1
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