iter_gen.py

__author__ = 'Work'

iter_this = [ ('{0} to power of {0}: '.format(x), x**x) for x in range(101) ]

def squaredByIdentityGenerator( iterable ):
    saved = []
    for element in iterable:
        yield element
        saved.append( element )
    return saved

iter_this_gen = squaredByIdentityGenerator( iter_this )

print("The generator can be iterated through once as you can test: ",
    [item for item in iter_this_gen])

print('\n')

print('But not twice: ',
    [item for item in iter_this_gen])