클래스로 inclusive_range 구현

# inclusive_range

# start, stop, step

class Inclusive_range():

def __init__(self, *args):

num_args = len(args)

if num_args < 1:

raise TypeError('requires at least one argument')

elif num_args == 1:

self.start = 0

self.stop = args[0]

self.step = 1

elif num_args == 2:

(self.start, self.stop) = args

self.step = 1

elif num_args == 3:

(self.start, self.stop, self.step) = args

else:

raise TypeError('expected at most 3 arguments, got {}'.format(num_args))

def __iter__(self):

i = self.start

while i <= self.stop:

yield i

i += self.step

o = Inclusive_range(5, 10, 3)

for i in o:

print(i, end = ' ')

# 결과

5 8