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โ€Ž7-control-flow/README.md

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## ๋ฌดํ•œ ๋ฃจํ”„(infinite loop)
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๋ฐ˜๋ณต๋ฌธ์€ ์กฐ๊ฑด์‹์ด ์ฐธ์ด๋ฉด ์ฃผ์–ด์ง„ ๋ฌธ์žฅ์„ ๊ณ„์† ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์กฐ๊ฑด์‹์œผ๋กœ `1`์ด๋‚˜ `2`, `20 < 100`์ฒ˜๋Ÿผ ๊ฒฐ์ •๊ฐ’์ด ํ•ญ์ƒ ์ฐธ์œผ๋กœ ๊ฐ„์ฃผ๋˜๋Š” ๊ฐ’์ธ ์‹์„ ์‚ฌ์šฉํ•˜๋ฉด ๋ฐ˜๋ณต๋ฌธ์€ ์˜์›ํžˆ ๋ฐ˜๋ณต๋˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฐ ๋ฐ˜๋ณต๋ฌธ์„ `๋ฌดํ•œ ๋ฃจํ”„(infinite loop)`๋ผ๊ณ  ๋ถ€๋ฆ…๋‹ˆ๋‹ค. ๋ฐฉ๊ธˆ ๋‹ค๋ฃฌ ์˜ˆ์ œ๋„ ๋ฌดํ•œ ๋ฃจํ”„๋ฅผ ์‚ฌ์šฉํ•œ ํ”„๋กœ๊ทธ๋žจ์ž…๋‹ˆ๋‹ค.
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๋ฐ˜๋ณต๋ฌธ์€ ์กฐ๊ฑด์‹์ด ์ฐธ์ด๋ฉด ์ฃผ์–ด์ง„ ๋ฌธ์žฅ์„ ๊ณ„์† ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์กฐ๊ฑด์‹์œผ๋กœ `1`์ด๋‚˜ `2`, `20 < 100`์ฒ˜๋Ÿผ ๊ฒฐ์ •๊ฐ’์ด ํ•ญ์ƒ ์ฐธ์œผ๋กœ ๊ฐ„์ฃผ๋˜๋Š” ๊ฐ’์ธ ์‹์„ ์‚ฌ์šฉํ•˜๋ฉด ๋ฐ˜๋ณต๋ฌธ์€ ์˜์›ํžˆ ๋ฐ˜๋ณต๋˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฐ ๋ฐ˜๋ณต๋ฌธ์„ `๋ฌดํ•œ ๋ฃจํ”„(infinite loop)`๋ผ๊ณ  ๋ถ€๋ฆ…๋‹ˆ๋‹ค.
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ํ”„๋กœ๊ทธ๋žจ์˜ ์ข…๋ฅ˜์— ๋”ฐ๋ผ ๋ฌดํ•œ ๋ฃจํ”„๋ฅผ ์‚ฌ์šฉํ•ด์•ผํ•˜๋Š” ๊ฒฝ์šฐ๋„ ์žˆ์ง€๋งŒ, ๋Œ€๋ถ€๋ถ„์˜ ํ”„๋กœ๊ทธ๋žจ์˜ ๊ฒฝ์šฐ์—” ๋ฌดํ•œ ๋ฃจํ”„๋ฅผ ์‚ฌ์šฉํ•  ์ผ์ด ์—†์Šต๋‹ˆ๋‹ค. `๋ฌดํ•œ ๋ฃจํ”„์— ๊ฐ‡ํžˆ๋‹ค`๋ผ๋Š” ํ‘œํ˜„์ด ์žˆ์„ ์ •๋„๋กœ ๋ฌดํ•œ ๋ฃจํ”„๊ฐ€ ์‹คํ–‰ ์ค‘์ธ ์ƒํ™ฉ์€ ๋Œ€๊ฒŒ ๋ฒ„๊ทธ๊ฐ€ ๋ฐœ์ƒํ•œ ๊ฒฝ์šฐ์ž…๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, 1๋ถ€ํ„ฐ 10๊นŒ์ง€์˜ ์ •์ˆ˜๋ฅผ ๊ฑฐ๊พธ๋กœ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ๋งŒ๋“ค์–ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
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์ด๋ ‡๊ฒŒ ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ์„ ์ ์ ˆํžˆ ํ™œ์šฉํ•˜๋ฉด ๋‹ค์–‘ํ•œ ๋ฐ˜๋ณต์ ์ธ ๊ณ„์‚ฐ์„ ์‰ฝ๊ฒŒ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
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๋ฐ˜๋ณต๋ฌธ์„ ์—ฌ๋Ÿฌ๊ฐœ ๊ฒน์ณ ์ผ์„ ๋•Œ, break๋ฌธ์ด ์–ด๋–ป๊ฒŒ ์ž‘๋™ํ•˜๋Š” ๊ฑด์ง€ ํŒŒ์•…ํ•  ํ•„์š”๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
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[๋‹ค์Œ: ํ•จ์ˆ˜](../8-functions)

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