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Section 1, Exercise 2
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Section 1, Exercise 3
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Section 1, Exercise 4
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Section 1, Exercise 5
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Section 1, Exercise 6
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Modify for Chinese readers
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Start ruby-beginner-en-NFCZ7.yml
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Section 1, Exercise 1
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Section 1, Exercise 2
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Section 1, Exercise 3
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Section 1, Exercise 4
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Section 1, Exercise 5
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Section 2, Exercise 1
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Section 2, Exercise 2
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Section 2, Exercise 3
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Section 3, Exercise 1
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Section 3, Exercise 2
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Section 3, Exercise 3
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Section 3, Exercise 4