Helper function to split a generator into a specified size.

generator_split.py

def last_50(generator, n):
    '''
    Takes a generator object and returns 
    a specified number (n) into a list.
    '''
    counter = 0
    results = []
    for i in generator:
        if counter == n:
            break
        else:
            results.append((i))
        counter += 1
    return results

def gen():
    '''
    This is an example generator 
    for testing the last_50() function
    '''
    for i in range(10000000):
        yield i
       
print last_50(gen(), 200)