16 lines
253 B
Python
16 lines
253 B
Python
|
# yielding from an already executing generator is not allowed
|
||
|
|
||
|
def f():
|
||
|
yield 1
|
||
|
# g here is already executing so this will raise an exception
|
||
|
yield from g
|
||
|
|
||
|
g = f()
|
||
|
|
||
|
print(next(g))
|
||
|
|
||
|
try:
|
||
|
next(g)
|
||
|
except ValueError:
|
||
|
print('ValueError')
|