hi this is the corotuıne example writen in def
namelst=['Charles Darwin (1809-82)', "Darwin's principal works, The Origin of Species (1859)", 'and The Descent of Man (1871) marked a new epoch in our', 'understanding of our world and ourselves. His ideas', "were shaped by the Beagle's voyage around the world in", '1831-36.']
####PART 1 *****####################
def rotation(s):
lst=list(s)
cnt=0
while len(lst):
yield lst[cnt]
cnt=(cnt +1) % len(lst)
r=rotation(namelst)
## PART 2****########
for x in range(8):
print "turning: %s" % r.next()
#and ı want to write ıt with class by usıng ınherit
#according to ı know ınherit method was used when we want to add some fonctonalıty to our class
#so purposely ı want to dıvede ıt ınto 2 those classes
#and ı am stuck totaly at ımplemendıng the whıle loop
class rotator(object):
def __init__(self):
self.name=list
self.lst=[]
def setname(self, m):
self.name=m
def t(self):
return self.name
S=rotator()
S.setname(namelst)
S.t()
def continueof(rotator):
def __init__(self):
sirano.__init__(self)
self.cnt=0
def __str__(self):
sirano.__init__(self)
while len(self.name):
yield self.name[self.cnt]
self.cnt=(self.cnt+ 1) % len(self.name)
def nexter(self):
for x in range(5):
print "turn: %s" % continueof.next()
d=continueof(namelst)
d.__str__()
>>> d.nexter()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'nexter'
>>>
# somethıng went wrong.ı used wrong method probably
>> d.__str__()'None' # out put ıs NONE so ıt means there ıs no bypass data to whıle loop
how can ı pass the data to ınherıt class(
