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Python

Posted by Mathew Yangang
Mathew Yangang
4,433 Points

"Didn't get the right pattern" not sure why

Error:"Didn't get the right pattern" not sure why

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,pattern):
        cls.pattern = pattern
        return cls(pattern)


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

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

The argument given to "from_string" won't already be a pattern. The instructions tell you it will be a string like "dash-dot". So instead of just storing it, your function will need to perform a conversion that is essentially the reverse of the __str__ method that is already there.