>>> rhyme = 'Little Jack Horner sat in a corner,\nEating a Christmas pie;\nHe put in his thumb and pulled out a plum,\nAnd said, "What a good boy am I!" '
>>> rhyme.find("orner")
13
>>> rhyme.find("orner",14)
29
>>> rhyme.count("orner")
2
>>> rhyme.index("orner")
13
>>> rhyme.rindex("orner")
29
>>> rhyme.rindex("girl")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: substring not found
>>> rhyme.find("girl")
-1