def test1(): "Good golly gumdrops batman! A test!" assert sieve.sieve_next() == 3
def test2(): "Great leaping leppers batman! Another one!" sieve.sieve_next() assert sieve.sieve_next() == 7
def test3(): "By my litle sidekick boots batman! A third test!" sieve.sieve_next() sieve.sieve_next() assert sieve.sieve_next() == 17