Week4 final#8

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jklinck wants to merge 24 commits intoprofproix:mainfrom

jklinck:week4_final

Commits on Jan 7, 2026

Commits on Jan 9, 2026

updated a comment
jklinck
committed

Commits on Jan 16, 2026

completed first couple of problems
jklinck
committed

Commits on Jan 17, 2026

finished problem 3
jklinck
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Commits on Jan 18, 2026

finished problem 7
jklinck
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Commits on Jan 19, 2026

Commits on Jan 21, 2026

fixed a couple issues
jklinck
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Commits on Jan 24, 2026

Commits on Jan 25, 2026

completed through problem 13
jklinck
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Commits on Jan 26, 2026

finished through problem 17
jklinck
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Commits on Jan 27, 2026

Commits on Jan 29, 2026

initial commit
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committed