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00:00 The solutions for the exercises in the files chapter
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01:20 Solution: count numbers
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05:30 Solution: strip newlines
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06:17 Solution: color selector and fixing an interesting bug.
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17:10 Solution: ROT13, discussing open with r+, and how filehandle works.
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27:25 Solution: combine lists, trying various solutions, including one using sets and one using tuples. Sorting using lambda function.
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1:04:10 Exercise: print lines with Report
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1:06:30 return from a function can return a value