Challenge
Parser function
Move the feed parser from "Line to record" into parse_line(line), which returns the record dict, then let it return None for blank, comment and damaged lines so the loop only keeps real records.
Results for “refactoring”
Showing 11–13 of 13
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Challenge
Lookup table
Replace a nine-branch elif that maps planets and the Moon to surface gravity with a dict and one get() lookup, keeping the output exactly the same, then loop over the dict for a weight table.
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Challenge
Names that explain
A cargo calculation uses a, b, x2 and tmp. Predict it, work out what each name holds, rename them so the code explains itself, then write a fuel check with good names.