Page 122 - Demo

%ub2e4%uc74c%uc740 %uc9c0%ud558%ucca0 %uc2b9%ucc28 %ubc0f %ud558%ucc28 %uc2b9%uac1d%uc218%ub97c %uc785%ub825%ud55c %ud45c%ub2e4. %uc774 %ud45c%uc5d0%uc11c %uc2b9%ucc28 %uc778%uc6d0%uc218%uc640 %ud558%ucc28 %uc778%uc6d0%uc218%ub9cc %ub9ac%uc2a4%ud2b8%ub85c %uc800%uc7a5%ud560 %uc218 %uc788%ub2e4.%uc2b9%ucc28 %uc778%uc6d0%uc218%ud558%ucc28 %uc778%uc6d0%uc2181%uc77c578760972%uc77c273721283%uc77c216927174%uc77c5301592012print(%ua78b2%uc77c%uc758 %uc2b9%ucc28 %uc778%uc6d0%uc218:%ua78b, subway[1][0], %ua78b%ud558%ucc28 %uc778%uc6d0%uc218:%ua78b, subway[1][1])print(%ua78b4%uc77c%uc758 %uc2b9%ucc28 %uc778%uc6d0%uc218:%ua78b, subway[3][0], %ua78b%ud558%ucc28 %uc778%uc6d0%uc218:%ua78b, subway[3][1])2%uc77c%uc758 %uc2b9%ucc28 %uc778%uc6d0%uc218: 2737 %ud558%ucc28 %uc778%uc6d0%uc218: 21284%uc77c%uc758 %uc2b9%ucc28 %uc778%uc6d0%uc218: 5301 %ud558%ucc28 %uc778%uc6d0%uc218: 5920subway = [[5787, 6097],[2737, 2128],[2169, 2717],[5301, 5920]]%u001a 0%ud589%u001a 1%ud589%u001a 2%ud589%u001a 3%ud5890%uc5f4%u001a1%uc5f4%u001a%uc774%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%ub294 %ub450 %uac1c%uc758 %uc778%ub371%uc2a4%ub97c %uc0ac%uc6a9%ud574 %ud2b9%uc815 %uc6d0%uc18c%uc5d0 %uc811%uadfc%ud560 %uc218 %uc788%uc73c%uba70, %uc774%ub97c %ud65c%uc6a9%ud574 %ub2e4%uc591%ud55c %uc5f0%uc0b0%uc744 %uc218%ud589%ud560 %uc218 %uc788%ub2e4.%uc774%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc5d0%uc11c%ub3c4 %uc77c%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc640 %ub9c8%ucc2c%uac00%uc9c0%ub85c %ud569%uacc4, %uae38%uc774 %ub4f1 %ub2e4%uc591%ud55c %ud568%uc218%ub97c %uc0ac%uc6a9%ud560 %uc218 %uc788%ub2e4.1234print(%ua78bsubway%uc758 %ub370%uc774%ud130 %uac1c%uc218:%ua78b, len(subway))print(%ua78bsubway[0]%uc758 %ub370%uc774%ud130 %uac1c%uc218:%ua78b, len(subway[0]))print(%ua78b1%uc77c%uc758 %uc2b9%ucc28 %ubc0f %ud558%ucc28 %uc778%uc6d0%uc218:%ua78b, subway[0])print(%ua78b1%uc77c%uc758 %ucd1d %uc774%uc6a9 %uc2b9%uac1d%uc218:%ua78b, sum(subway[0]))subway%uc758 %ub370%uc774%ud130 %uac1c%uc218: 4subway[0]%uc758 %ub370%uc774%ud130 %uac1c%uc218: 21%uc77c%uc758 %uc2b9%ucc28 %ubc0f %ud558%ucc28 %uc778%uc6d0%uc218: [5787, 6097]1%uc77c%uc758 %ucd1d %uc774%uc6a9 %uc2b9%uac1d%uc218: 118841234# 3%uc77c%uc758 %ud558%ucc28 %uc778%uc6d0%uc218%uac00 3%uba85 %uc99d%uac00print(%ua78b%ubcc0%uacbd %uc804:%ua78b, subway[2][1])subway[2][1] = subway[2][1] + 3print(%ua78b%ubcc0%uacbd %ud6c4:%ua78b, subway[2][1])%ubcc0%uacbd %uc804: 2717%ubcc0%uacbd %ud6c4: 2720 %uc8fc%uc758%uc774%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc758 %uc6d0%uc18c%ub294 %uc77c%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc774%ubbc0%ub85c, len(subway)%uc744 %uc2e4%ud589%ud558%uba74 %uc774%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc5d0 %ud3ec%ud568%ub41c %uc77c%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc758 %uac1c%uc218%uac00 %ucd9c%ub825%ub41c%ub2e4. subway[0]%uc740 %uc77c%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc774%ubbc0%ub85c, len(subway[0])%uc744 %uc2e4%ud589%ud558%uba74 %uc77c%ucc28%uc6d0 %ub9ac%uc2a4%ud2b8%uc5d0 %ud3ec%ud568%ub41c %uc6d0%uc18c%uc758 %uac1c%uc218%uc778 2%uac00 %ucd9c%ub825%ub41c%ub2e4. 1202. %ud504%ub85c%uadf8%ub798%ubc0d