27 lines
738 B
Python
27 lines
738 B
Python
from typing import Tuple, TypedDict
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from snanosm.mealy import Machine
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class Context(TypedDict):
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result: str
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n_chars: int
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def add_to_result(context: Context, c: str) -> None:
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context["result"] += c
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context["n_chars"] += 1
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def inverter(input_string: str) -> Tuple[str, int]:
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context: Context = {
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"result": "",
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"n_chars": 0
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}
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m = Machine(context)
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m.add_state("S", True, False)
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m.add_transition("0", "S", "S", lambda ctx: add_to_result(ctx, "1"))
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m.add_transition("1", "S", "S", lambda ctx: add_to_result(ctx, "0"))
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for c in input_string:
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m.process_input(c)
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return context["result"], context["n_chars"]
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if __name__ == '__main__':
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print(inverter("000011110010")) |