{"id":9031,"date":"2020-03-17T08:01:07","date_gmt":"2020-03-16T23:01:07","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=9031"},"modified":"2020-05-28T09:37:58","modified_gmt":"2020-05-28T00:37:58","slug":"python%ec%9d%98-%eb%9e%8c%eb%8b%a4lambda","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=9031","title":{"rendered":"Python\uc758 \ub78c\ub2e4(Lambda)"},"content":{"rendered":"

\ud30c\uc774\uc36c\uc758 \ub78c\ub2e4 \uae30\ub2a5\uc740 \uc775\uba85 \ud568\uc218(Anonymous), \uc989 \uc774\ub984\uc774 \uc5c6\ub294 \ud568\uc218\ub97c \uc815\uc758\ud558\uae30 \uc704\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ucc38\uace0\ub85c \ucef4\ud4e8\ud130 \ubd84\uc57c\uc5d0\uc11c \uc815\uc758\ub294 \uc5c6\ub358 \uac83\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uc0dd\uc131\uc744 \uc758\ubbf8\ud558\uba70, \uc120\uc5b8\uc740 \uc77c\ub2e8 \uc774\ub984\ub9cc \ubd99\uc5ec\ub450\uace0 \uad6c\uccb4\uc801\uc778 \uc0dd\uc131\uc740 \ub2e4\ub978 \uacf3\uc5d0\uc11c \ub300\uc2e0\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc73c\ub85c \ud30c\uc774\uc36c\uc5d0\uc11c \ud568\uc218\ub294 \ub2e4\uc74c\ucc98\ub7fc \uc815\uc758\ub429\ub2c8\ub2e4.<\/p>\n

\r\ndef func(a):\r\n    return a+1\r\n<\/pre>\n
\uc704\uc640 \ub3d9\uc77c\ud55c \ub78c\ub2e4 \ubc29\uc2dd\uc758 \ud568\uc218 \uc815\uc758\ub294 \ub2e4\uc74c\uacfc \uac19\uc8e0. \uc704\uc758 \ub3d9\uc77c\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub78c\ub2e4 \ud568\uc218\ub97c func\uc5d0 \ud560\ub2f9\ud558\uc5ec \uc774\ub984\uc744 \ubd99\uc778 \uacbd\uc6b0\uc785\ub2c8\ub2e4. \ud638\ucd9c\uc740 \uc77c\ubc18\ud568\uc218\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4. <\/p>\n
\r\nfunc = lambda a: a+1\r\n<\/pre>\n
\ub2e4\ub978 \uc608\ub85c, \uc778\uc790\ub97c \ub450\uac1c \ubc1b\uc544 \ubc1b\uc740 \uc778\uc790\uac12\uc744 \ud569\ud574 \ubc18\ud658\ud558\ub294 \ub78c\ub2e4 \ud568\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\nfunc = lambda a,b: a+b\r\n<\/pre>\n
\uc774 \ub78c\ub2e4 \ud568\uc218\uc758 \uc0ac\uc6a9\uc740 \uc0dd\uac01\ud574 \ubcf4\uba74, map\ucc98\ub7fc \ud568\uc218\ub97c \uc778\uc790\ub85c \ubc1b\ub294 \ud568\uc218\uc5d0\uc11c\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\nr = list(map(lambda a,b: a+b, [1,2,3], [10,20,30]))\r\nprint(r) # [11, 22, 33]\r\n<\/pre>\n
\ub367\ubd99\uc5ec \ub78c\ub2e4 \ud568\uc218\ub97c \uc774\uc6a9\ud558\uc5ec \ud568\uc218\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\ub97c \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud074\ub85c\uc800(Closure)\ub77c\uace0\ub3c4 \ud558\uc8e0.<\/p>\n
\r\ndef makeFunc(n):\r\n    return lambda a : a % n == 1\r\n\r\nisOdd = makeFunc(2)\r\n\r\nprint(isOdd(11))\r\n<\/pre>\n
\ubb3c\ub860 \ud074\ub85c\uc800 \ud568\uc218\ub97c \uc815\uc758\ud558\uae30 \uc704\ud574 \ub78c\ub2e4\ub97c \uc0ac\uc6a9\ud560 \ud544\uc694\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \uc544\ub798\ucc98\ub7fc\uc694.<\/p>\n
\r\ndef makeFunc(n):\r\n    def func(a):\r\n        return a % n == 1\r\n    return func\r\n<\/pre>\n
\ub2e8, \uc704\uc758 \ucf54\ub4dc\ub294 \ud568\uc218\uc758 \uc774\ub984(func)\uc744 \ubd88\ud544\uc694\ud558\uac8c \ubd80\uc5ec\ud588\ub2e4\ub294 \uc810\uc774 \uac70\uc2ac\ub9bd\ub2c8\ub2e4.<\/p>\n
\ub78c\ub2e4\ub97c \ud1b5\ud55c \ud568\uc218\uc758 \uc815\uc758\ub294 \uc81c\uc57d\uc774 \ub9ce\uc2b5\ub2c8\ub2e4. \ub78c\ub2e4 \ud568\uc218\ub294 \ubc18\ub4dc\uc2dc \ubc18\ud658\uac12\uc5d0 \ub300\ud55c \ub2e8 \ud55c\uc904\uc758 \ucf54\ub4dc\ub85c\ub9cc \uad6c\uc131\ub418\uc5b4\uc57c \ud55c\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \ub78c\ub2e4\ud568\uc218\uc5d0\uc11c \uc5b4\ub5a4 \ub17c\ub9ac\uc801\uc778 \uc870\uac74\ucc98\ub9ac\ub294 \uc5b4\ub5bb\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc744\uae4c\uc694? \uac70\uae30\uc5d0 \ub300\ud55c \ud78c\ud2b8\ub294 \uc544\ub798\uc758 \ucf54\ub4dc\ub97c \ud1b5\ud574 \uc0b4\ud3b4\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\na = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\r\nr = list(\r\n        map(\r\n            lambda x: \r\n                'BIG' if x > 5 \r\n                else 'SMALL' if x < 5 \r\n                else 'MIDDLE',\r\n            a\r\n        )\r\n    )\r\nprint(r) # ['SMALL', 'SMALL', 'SMALL', 'SMALL', 'MIDDLE', 'BIG', 'BIG', 'BIG', 'BIG', 'BIG']\r\n<\/pre>\n
\uc774\ud574\ub97c \ub3d5\uace0\uc790 \ub4e4\uc5ec\uc4f0\uae30\ub97c \ud588\ub294\ub370, \ub9ac\uc2a4\ud2b8 \uc694\uc18c \uc911 5\ubcf4\ub2e4 \uc791\uc73c\uba74 SMALL, 5\ubcf4\ub2e4 \ud06c\uba74 BIG, \ub531 5\uc774\uba74 MIDDLE \ubb38\uc790\uc5f4\ub85c \uad6c\uc131\ub41c \ub610 \ub2e4\ub978 \ub9ac\uc2a4\ud2b8\ub97c \ubc18\ud658\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\uc2e4\uc81c \ucf54\ub529\uc5d0\uc11c\ub294 \ub4e4\uc5ec\uc4f0\uae30\uac00 \uc81c\uac70\ub41c \uc544\ub798\uc758 \ud615\ud0dc\uac00 \ub418\uaca0\ub124\uc694.<\/p>\n
\r\na = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\r\nr = list(map(lambda x: 'BIG' if x > 5 else 'SMALL' if x < 5 else 'MIDDLE', a))\r\nprint(r)\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
\ud30c\uc774\uc36c\uc758 \ub78c\ub2e4 \uae30\ub2a5\uc740 \uc775\uba85 \ud568\uc218(Anonymous), \uc989 \uc774\ub984\uc774 \uc5c6\ub294 \ud568\uc218\ub97c \uc815\uc758\ud558\uae30 \uc704\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ucc38\uace0\ub85c \ucef4\ud4e8\ud130 \ubd84\uc57c\uc5d0\uc11c \uc815\uc758\ub294 \uc5c6\ub358 \uac83\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uc0dd\uc131\uc744 \uc758\ubbf8\ud558\uba70, \uc120\uc5b8\uc740 \uc77c\ub2e8 \uc774\ub984\ub9cc \ubd99\uc5ec\ub450\uace0 \uad6c\uccb4\uc801\uc778 \uc0dd\uc131\uc740 \ub2e4\ub978 \uacf3\uc5d0\uc11c \ub300\uc2e0\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud30c\uc774\uc36c\uc5d0\uc11c \ud568\uc218\ub294 \ub2e4\uc74c\ucc98\ub7fc \uc815\uc758\ub429\ub2c8\ub2e4. def func(a): return a+1 \uc704\uc640 \ub3d9\uc77c\ud55c \ub78c\ub2e4 \ubc29\uc2dd\uc758 \ud568\uc218 \uc815\uc758\ub294 \ub2e4\uc74c\uacfc \uac19\uc8e0. \uc704\uc758 \ub3d9\uc77c\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 … <\/p>\n
\ub354 \ubcf4\uae30 “Python\uc758 \ub78c\ub2e4(Lambda)”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[131],"tags":[],"class_list":["post-9031","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/9031","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9031"}],"version-history":[{"count":5,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/9031\/revisions"}],"predecessor-version":[{"id":9328,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/9031\/revisions\/9328"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9031"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}