问下Python语言中，format()是什么意思？sep=' '是什么意思？。。新手初学编程= sep python里是什么意思
python\u91cc\u7684.format()\u662f\u4ec0\u4e48\u610f\u601dformat\u51fd\u6570\u8fd9\u662f\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u65b9\u6cd5\uff0c\u7528\u6cd5\u5982str.format()\u3002
\u57fa\u672c\u8bed\u6cd5\u662f\u901a\u8fc7 {} \u548c : \u6765\u4ee3\u66ff\u4ee5\u524d\u7684 % \u3002
\u4ee5\u4e0b\u5c55\u793a\u4e24\u79cd\u4e3b\u8981\u7528\u6cd5\uff1a
\uff081\uff09\u5982\uff1a\u8bed\u53e5print("{:.2f}".format(3.1415926))\uff0c\u5b83\u7684\u8f93\u51fa\u4e3a3.14\uff0c\u53ef\u4ee5\u770b\u51fa\u547d\u4ee4\u4e3a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u70b9\u3002
\uff082\uff09\u5982\uff1a\u8bed\u53e5"{1} {0} {1}".format("hello", "world")\uff0c\u5b83\u7684\u8f93\u51fa\u4e3a'world hello world'\uff0c\u53ef\u4ee5\u770b\u51faformat\u4e3a\u4ed6\u4eec\u8bbe\u7f6e\u4e86\u4f4d\u7f6e\u3002
\u53c8\u5982\uff1a\u8bed\u53e5print '{} *'.format(j)\u8868\u793a\u8f93\u51fa\u53d8\u91cfj\u7684\u503c\u4ee5\u53ca\u4e58\u53f7\uff1aj*\uff0c\u53ef\u4ee5\u770b\u51fa\u7528\u5728\u5faa\u73af\u91cc\u53ef\u4ee5\u8f93\u51fa\u4e00\u4e2a\u4e58\u6cd5\u7684\u7b49\u5f0f\u3002
\u53c8\u5982\uff1a\u8bed\u53e5print "{} \u5bf9\u5e94\u7684\u4f4d\u7f6e\u662f {{0}}".format("runoob")\uff0c\u5b83\u7684\u8f93\u51fa\u4e3a'runoob\u5bf9\u5e94\u7684\u4f4d\u7f6e\u662f0'.
\u6269\u5c55\u8d44\u6599\uff1a
\u5982\u679c\u5728\u683c\u5f0f\u5316\u6570\u5b57\u65f6\u6ca1\u6709\u6307\u5b9aformat\uff0cFormat\u4f1a\u63d0\u4f9b\u4e0eStr\u51fd\u6570\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u5c3d\u7ba1\u5b83\u662f\u56fd\u9645\u5316\u7684\u3002\u7136\u800c\uff0c\u4ee5Format\u4f5c\u7528\u5728\u6b63\u6570\u4e0a\u4e0d\u4f1a\u4fdd\u7559\u6b63\u8d1f\u53f7\u7a7a\u95f4\uff0c\u800c\u4ee5Str\u7684\u8bdd\u5219\u4f1a\u3002
\u5982\u679c\u8981\u683c\u5f0f\u5316\u4e00\u4e2a\u6ca1\u6709\u672c\u5730\u5316\u7684\u6570\u503c\u5b57\u7b26\u4e32\uff0c\u5e94\u8be5\u4f7f\u7528\u4e00\u4e2a\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6570\u503c\u683c\u5f0f\uff0c\u4ee5\u4fdd\u8bc1\u5f97\u5230\u9700\u8981\u7684\u5916\u89c2\u3002
\u6ce8\u610f\u5982\u679cCalendar\u5c5e\u6027\u8bbe\u7f6e\u662fGregorian \uff0c\u5e76\u4e14format\u6307\u5b9a\u4e86\u65e5\u671f\u683c\u5f0f\uff0c\u90a3\u4e48\uff0c\u63d0\u4f9b\u7684expression\u5fc5\u987b\u662fGregorian \u3002\u5982\u679cVisual BasicCalendar\u5c5e\u6027\u8bbe\u7f6e\u662f Hijri\uff0c\u5219\u63d0\u4f9b\u7684\u7684expression\u5fc5\u987b\u662fHijri \u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-Format\u51fd\u6570
\u5168\u79f0\u4e3aSeparate\u610f\u4e3a \u5206\u5f00 \u9694\u5f00
\u7528\u4e8eprint\u4e24\u4e2a\u5143\u7d20\u65f6\u81ea\u5b9a\u4e49\u95f4\u9694\u7b26(\u9ed8\u8ba4\u4e3a\u4e24\u4e2a\u7a7a\u683c)
\u5982 print\uff08a\uff0cb\uff0csep=\u2018\uff0c\u2019\uff09
\u8f93\u51fa\u7ed3\u679c\u4e3a a\uff0cb
绛旓細for寰幆鐨勮娉曟牸寮忓涓嬶細for iterating_var in sequence:statements(s)for寰幆鍙互閬嶅巻浠讳綍搴忓垪鐨勯」鐩紝濡備竴涓垪琛ㄦ垨鑰呬竴涓瓧绗︿覆銆俧or-in 寰幆涓殑鍙橀噺鐨勫煎彈 for-in 寰幆鎺у埗锛岃鍙橀噺灏嗕細鍦ㄦ瘡娆″惊鐜紑濮嬫椂鑷姩琚祴鍊硷紝鍥犳绋嬪簭涓嶅簲璇ュ湪寰幆涓璇ュ彉閲忚祴鍊笺俧or-in 寰幆鍙敤浜庨亶鍘嗕换浣曞彲閫変唬瀵硅薄銆傛墍璋...
绛旓細1. 鍦Python涓紝鍒楄〃鎺ㄥ寮忔槸涓绉嶇畝娲佺殑寰幆鏋勯狅紝瀹冭兘澶熶竴琛屼箣鍐呭畬鎴愬惊鐜换鍔°2. 閫氬父锛屽垪琛ㄦ帹瀵煎紡鐢ㄤ簬鍗曞眰寰幆锛屼笖寰幆浣撳唴鐨勬搷浣滅畝鍗曪紝杩欐湁鍔╀簬淇濇寔浠ｇ爜鐨勭畝娲佹с3. 鐒惰岋紝濡傛灉寰幆閫昏緫澶嶆潅锛屼娇鐢ㄥ垪琛ㄦ帹瀵煎紡鍙兘浼氶檷浣庝唬鐮佺殑鍙鎬с4. 涓轰簡鎺屾彙鍒楄〃鎺ㄥ寮忥紝寤鸿涓撻棬瀛︿範鐩稿叧鐨勭煡璇嗙偣銆
绛旓細棣栧厛鏉ヨ涓媐or寰幆锛宖or寰幆鏄python璇█鐨勫惊鐜帶鍒惰鍙ワ紝for寰幆鍙互閬嶅巻浠讳綍搴忓垪鐨勯」鐩紝鍖呮嫭搴忓垪闆嗗悎鎴栧彲杩唬瀵硅薄锛屽鍒楄〃銆佸瓧绗︿覆銆佸厓缁勩佸瓧鍏哥瓑銆傜湅涓嬪熀鏈娉曪細for 鍙橀噺 in 搴忓垪锛 #鍙橀噺涓轰换鎰忓硷紝搴忓垪涓哄垪琛ㄣ佸厓缁勩佸瓧绗︿覆绛 瀛愪唬鐮佹ā鍧 澶嶅埗 姣斿鎴戜滑鎯充粠涓涓垪琛ㄤ腑鎵撳嵃鍑烘潵姣忎釜鍊硷紝灏卞彲浠ョ敤...
绛旓細sum = 0 for i in range(50, 101):if i % 2 == 1:sum += i print("50鍒100涓鏁颁箣鍜屼负锛", sum)
绛旓細涓嶅睘浜庡悎娉曞彉閲忋備簨瀹炰笂鍦python锛鎵ц濡備笅浠ｇ爜浼氭姤閿欍for=123锛岃繖鏄洜涓篺or鏄Python閲岄潰鐨勫叧閿瓧锛屾槸淇濈暀瀛楃锛屽叧閿瓧鏄寚琚紪绋璇█鍐呴儴瀹氫箟骞朵繚鐣欎娇鐢ㄧ殑鏍囪瘑绗︺
绛旓細C/C++/Java/C#绋嬪簭瑕佹敞鎰忥細Python鐨刦or寰幆瀹屽叏涓嶅悓浜嶤/c++鐨刦or寰幆銆俢#绋嬪簭鍛樹細娉ㄦ剰鍒,鍦Python涓璮or寰幆绫讳技浜巆涓殑foreach寰幆c#銆侸ava绋嬪簭鍛樹細娉ㄦ剰鍒帮紝鍚屾牱绫讳技浜庡湪Java 1.5涓殑to for (int i : IntArray)銆傚湪C/c++涓紝濡傛灉浣犳兂鍐檉or (int i = 0; i < 5; i++)锛岄偅涔堝湪Python涓...
绛旓細for寰幆浠1鍔犲埌100姹傚拰sum1 = 0銆俧or i in range(1,101):if i % 2 == 0:sum1 = sum1 +i i += 1 print("for--1-100涔嬮棿鍋舵暟鐨勫拰鏄細 ",sum1)銆傜畝鍗曪細Python鏄竴绉嶄唬琛ㄧ畝鍗曚富涔夋濇兂鐨璇█銆傞槄璇讳竴涓壇濂界殑Python绋嬪簭灏辨劅瑙夊儚鏄湪璇昏嫳璇竴鏍枫傚畠浣夸綘鑳藉涓撴敞浜庤В鍐抽棶棰樿屼笉鏄幓鎼...
绛旓細L = []for iter_var in iterable: L.append(exp)甯﹁繃婊ゅ姛鑳借娉曟牸寮 [exp for iter_var in iterable if_exp]宸ヤ綔杩囩▼锛氳凯浠terable涓殑姣忎釜鍏冪礌锛屾瘡娆¤凯浠ｉ兘鍏堝垽鏂璱f_exp琛ㄨ揪寮忕粨鏋滀负鐪燂紝濡傛灉涓虹湡鍒欒繘琛屼笅涓姝ワ紝濡傛灉涓哄亣鍒欒繘琛屼笅涓娆¤凯浠ｏ紱鎶婅凯浠ｇ粨鏋滆祴鍊肩粰iter_var锛岀劧鍚庨氳繃exp寰楀埌涓涓柊鐨...
绛旓細if鍜for鍒嗗埆鏄袱绉嶇紪绋嬭瑷涓瘮杈冨熀纭鐨勫叧閿瓧銆俰f閫氬父鐢ㄤ簬鍒ゆ柇鏉′欢鏄惁鎴愮珛锛屾牴鎹垽鏂粨鏋滃垎鏀墽琛屼笉鍚岀殑浠ｇ爜鍧楋紱鑰宖or鍒欑敤浜庡惊鐜墽琛屼唬鐮佸潡锛岄氬父鐢ㄤ簬澶勭悊涓浜涢渶瑕侀噸澶嶅鐞嗙殑浠诲姟銆傚湪Python璇█涓紝if鍜宖or鍚屾牱涔熸槸闈炲父閲嶈鐨勫叧閿瓧銆傚湪Python涓紝if璇彞鐨勫垽鏂潯浠跺彲浠ユ槸浠绘剰鐨勫彲浠ヨ瑙ｆ瀽鎴愬竷灏斿肩殑琛ㄨ揪寮忥紝鑰...
绛旓細Python 涓璮or i in range ()鏄惊鐜殑娆℃暟鐨勬剰鎬濄侾ython鏄竴绉嶈法骞冲彴鐨勮绠楁満绋嬪簭璁捐璇█銆 鏄竴涓珮灞傛鐨勭粨鍚堜簡瑙ｉ噴鎬с佺紪璇戞с佷簰鍔ㄦу拰闈㈠悜瀵硅薄鐨勮剼鏈瑷銆傛渶鍒濊璁捐鐢ㄤ簬缂栧啓鑷姩鍖栬剼鏈(shell)锛岄殢鐫鐗堟湰鐨勪笉鏂洿鏂板拰璇█鏂板姛鑳界殑娣诲姞锛岃秺澶氳鐢ㄤ簬鐙珛鐨勩佸ぇ鍨嬮」鐩殑寮鍙戙
