[Tutor] file-like object

[Chad Crabtree]

I have created a file-like object out of a triple quoted string.  I
was 
wondering if there is a better way to implement readline than what I 
have below? It just doesn't seem like a very good way to do this.

class _macroString(object):
    def __init__(self,s):
        self.macro=s
        self.list=self.macro.split("\n")
        for n,v in enumerate(self.list):
            self.list[n]=v+'\n'
    def readline(self,n=[-1]):
        n[0]+=1
        return self.list[n[0]]
    def __str__(self):
        return str(self.list)
    def __len__(self):
        return len(self.list)

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