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'''http://ginstrom.com/scribbles/2007/10/08/design-patterns-python-style/'''
"""Implementation of the iterator pattern with a generator"""
def count_to(count):
"""Counts by word numbers, up to a maximum of five"""
numbers = ["one", "two", "three", "four", "five"]
# The zip keeps from counting over the limit
for number, pos in zip(numbers, list(range(count))):
yield number
# Test the generator
count_to_two = lambda : count_to(2)
count_to_five = lambda : count_to(5)
print('Counting to two...')
for number in count_to_two():
print(number, end=' ')
print()
print('Counting to five...')
for number in count_to_five():
print(number, end=' ')
print()
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