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append()  VS  extend()

 

  • L1๊ณผ L2๋ฅผ ๋ฆฌ์ŠคํŠธ(list)๋ผ๊ณ  ๊ฐ€์ •
  • L1.append(L2)๋Š” L2 ์ „์ฒด๊ฐ€ L1์— ํ•˜๋‚˜์˜ ์›์†Œ๋กœ์จ ์ถ”๊ฐ€๋œ๋‹ค.
  • L1.extend(L2)๋Š” L2์˜ ๊ฐ๊ฐ์˜ ์›์†Œ๋“ค์ด L1์— ์ถ”๊ฐ€๋œ๋‹ค.
A = [0, 1, 2, 3, 4]
B = [5, 6, 7, 8, 9]
C = [10, 11, 12, 13, 14]

A.append(C)  # [0, 1, 2, 3, 4, [10, 11, 12, 13, 14]]
B.extend(C)  # [5, 6, 7, 8, 9, 10, 11, 12, 13, 14]

 

 

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