Generators

- 
'''

iterable -__iter__() or __getitem__()
iterator - __next__
iteration -

generator is a type of iterator
we can iterate generator only one time

'''

def gen(n):
    for i in range(n):
        yield i

g = (gen(3))
print(g)

print(g.__next__())
print(g.__next__())
print(g.__next__())

for i in g:
    print(i)

h = "harish"  # string is iterable
for i in h:
    print(i)

h = "harish"
ier = iter(h)
print(ier.__next__())
print(ier.__next__())

# this will give error because int is not iterable

'''h=663837
ier=iter(h)
print(ier.__next__())
print(ier.__next__())'''







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