Challenge
Sensible defaults
Give send_command(cmd, retries=3, timeout=5.0) default values so callers only pass what differs, call it three different ways, then add a new priority parameter without breaking any existing call.
Results for “default parameters”
3 results
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Challenge
Guard clauses
…same, then add a new docking rule as one more guard with a default parameter.
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Challenge
Docstring and type hints
…and what the reserve means, then add type hints for its parameters and return value; the tests read both from the function itself.