我要在关闭生成器后获取返回值。不允许吗？
def generator_alpha():
try:
yield "z"
except GeneratorExit:
pass
return "t"
if __name__ == "__main___":
myAlphas = generator_alpha()
next(myAlphas)
myAlphas.close()
#now what should i do let me get 't'?