Generators in Python

generatorFunction.py

def my_generator(maximum):
    n = 0
    while n < maximum:
        yield n
    return 'Done'

print(type(my_generator))
# <class 'function'>
print(type(my_generator(5)))
# <class 'generator'>

print(next(my_generator(5)))
# 0
print(next(my_generator))
# Traceback (most recent call last):
#   File "/usr/lib/python3.6/code.py", line 91, in runcode
#     exec(code, self.locals)
#   File "<input>", line 1, in <module>
# TypeError: 'function' object is not an iterator