A simple Python generator function

Python_generators--Basic_example--00.py

def f():
    '''Modified PEP 255 example'''
     try:
         yield 1
         try:
             yield 2
             1/0      # zero division to trigger ZeroDivisionError
             yield 3  # never get here
         except ZeroDivisionError:
             yield 4
             yield 5
             raise   # raise exception
         except:
             yield 6 # never get here
         yield 7     # the "raise" above stops this
     except Exception as e:
         # print(e)
         yield 8
     finally:
         yield 9 # always execute
     try:
         x = 12
     finally:
        yield 10 # always execute
     yield 11
print (list(f()))