feat(nav): add --list option
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nav.py
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nav.py
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@ -2,6 +2,7 @@
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"""Navigation computer of the SS Probably Fine.
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Usage: python3 nav.py DESTINATION
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python3 nav.py --list
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"""
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import sys
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@ -64,6 +65,10 @@ def plan(destination):
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def main():
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if sys.argv[1] == "--list":
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for key in sorted(ROUTES):
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print(f"{key:12} {NAMES[key]}")
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return
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destination = sys.argv[1]
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if destination not in ROUTES:
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known = ", ".join(sorted(ROUTES))
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