12. Tuple?
ํํ(tuple)์ ์ ํ ๊ฐ์ ์ฌ๋ฌผ์ ์์์๋ ์ด๊ฑฐ์ด๋ค. n ๊ฐ์ ์์๋ฅผ ๊ฐ์ง ํํ์
n-ํํ(n-tuple) ๋๋ n์ค์, n์ง์ด๋ผ๊ณ ํ๋ค. - wiki
Tuples are immutable and can hold multiple objects of different types in a type-safe
manner.
ํํ์ ๋ณ๊ฒฝํ ์ ์์ผ๋ฉฐ ํ์์ด ์์ ํ ๋ฐฉ์์ผ๋ก ์ฌ๋ฌ ์ ํ์ ์ฌ๋ฌ ๊ฐ์ฒด๋ฅผ ๋ณด์ ํ ์
์์ต๋๋ค.
The term originated as an abstraction of the sequence: single,
double, triple, quadruple, quintuple, sextuple, septuple,
octuple, ..., n-tuple, ..., where the prefixes are taken from the
Latin names of the numerals. http://people.cs.pitt.edu/~chang/156/04reldb.html