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Python

Posted by Mathew Yangang
Mathew Yangang
4,433 Points

Not sure if my instance is wrong or my return value

Not sure if my instance is wrong or my return value

morse.py 
class Letter:
    def __init__(self, pattern=None):
        self.pattern = pattern

    def __iter__(self):
        yield from self.pattern

    def __str__(self):
        output = []
        for blip in self:
            if blip == '.':
                output.append('dot')
            else:
                output.append('dash')
        return '-'.join(output)

    @classmethod
    def from_string(cls,""):
        self.pattern = pattern
        return cls


class S(Letter):
    def __init__(self):
         pattern = ['.', '.', '.']
         super().__init__(pattern)

1 Answer

Jeff Muday
MOD
Jeff Muday
Treehouse Moderator 28,720 Points
Jeff Muday
Jeff Muday
Treehouse Moderator 28,720 Points

I am shooting from the hip here-- this may or may not be what you were looking for.

Your class method appears to require a little help. You needed the parameter "pattern", and in the method the "self" parameter is "cls" so you need to reference the object with it.

    @classmethod
    def from_string(cls, pattern=""):
        cls.pattern = pattern
        return cls