180. Issubclass and Iter Function in Python with Example Code || Python Built-in Functions-17
Code:
class Polygon:
def __init__(polygonType):
print("Polygon is a ",polygonType)
class Triangle(Polygon):
def __init__(self):
Polygon.__init__('triangle')
print(issubclass(Triangle,Polygon))
print(issubclass(Triangle, list))
print(issubclass(Triangle,(list,Polygon)))
print(issubclass(Polygon, (list,Polygon)))
#iter()
vowels=['a','e','i','o','u']
vowels_iter=iter(vowels)
print(next(vowels_iter))
print(next(vowels_iter))
print(next(vowels_iter))
print(next(vowels_iter))
print(next(vowels_iter))
class PrintNumber:
def __init__(self,max):
self.max=max
def __iter__(self):
self.num=0
return self
def __next__(self):
if(self.num(put_greater_than_sign_here)=self.max):
raise StopIteration
self.num+=1
return self.num
print_num=PrintNumber(3)
print_num_iter=iter(print_num)
print(next(print_num_iter))
print(next(print_num_iter))
print(next(print_num_iter))
class DoubleIt:
def __init__(self):
self.start=1
def __iter__(self):
return self
def __next__(self):
self.start *=2
return self.start
_call__=__next_
my_iter=iter(DoubleIt(),16)
for x in my_iter:
print(x)