def func(n):
for i in range(n):
yield i
for i in func(3):
print i
r=func(3)
print r.next()
print r.next()
print r.next()
print r.next()
0 1 2 0 1 2 Traceback (most recent call last): File "generator.py", line 10, in <module> print r.next() StopIteration
>>> x = gensquares(5) >>> print x <generator object at 0x00B72D78> >>> print x.next() 0 >>> print x.next() 1 >>> print x.next() 4 >>> print x.next() 9 >>> print x.next() 16 >>> print x.next() Traceback (most recent call last): File "<stdin>", line 1, in ? StopIteration >>>
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