python鏃ヨ_鍒囩墖，,鏍囩锛?a hre

python鏃ヨ_鍒囩墖，,鏍囩锛?a hre

鏍囩锛?a href='http://www.byrx.net/so/1/%e5%ad%98%e5%9c%a8' title='瀛樺湪'>瀛樺湪

鍏堜粠鍘熺悊涓婂垎鏋愬垏鐗囪繍绠楋細

list鐨勫垏鐗囷紝鍐呴儴鏄皟鐢╛_getitem__锛宊_setitem__,__delitem__鍜宻lice鍑芥暟銆傝€宻lice鍑芥暟鍙堟槸鍜宺ange()鍑芥暟鐩稿叧鐨勩€?/p>

缁欏垏鐗囦紶閫掔殑閿槸涓€涓壒娈婄殑slice瀵硅薄銆傝瀵硅薄鎷ユ湁鍙弿杩版墍璇锋眰鍒囩墖鏂逛綅鐨勫睘鎬э紝渚嬪锛?/p>

a = [ 1, 2, 3, 4, 5, 6 ]x = a [ 1 : 5 ] #  x = a.__getitem__( slice ( 1, 5, None ) )a [ 1 : 3 ] = [10, 11, 12 ]#  a.__setitem__( slice ( 1, 3, None ), [ 10, 11, 12 ] )del a [ 1 : 4 ]#  a.__delitem__( slice ( 1, 4, None ) )

Python 鐨勫垏鐗囧姛鑳藉疄闄呬笂姣斿緢澶氱▼搴忓憳璁や负鐨勬洿寮哄ぇ

a = m [ 0 : 100 : 10 ]  #  甯︽杩涚殑鍒囩墖锛堟杩涘€?10锛?/span>

娉ㄦ剰锛氭杩涘€间负step

褰搒tep > 0 鏃?/p>

鍒囩墖浠?start(鍚玸tart)澶勫紑濮嬶紝鍒癳nd锛堜笉鍚玡nd锛夊缁撴潫锛?*浠庡乏寰€鍙?*锛屾瘡闅旓紙step-1锛夛紙绱㈠紩涔嬮棿鐨勫樊浠嶄负step锛屼絾鐩搁殧鐨勫厓绱犳槸step-1涓級涓厓绱犺繘琛屼竴娆℃埅鍙栥€?/p>

杩欐椂锛宻tart 鎸囧悜鐨勪綅缃簲璇ュ湪end鎸囧悜鐨勪綅缃殑宸﹁竟锛屽惁鍒欒繑鍥炲€间负绌?/p>

褰搒tep < 0 鏃?/p>

鍒囩墖浠?start(鍚玸tart)澶勫紑濮嬶紝鍒癳nd锛堜笉鍚玡nd锛夊缁撴潫锛?*浠庡彸寰€宸?*锛屾瘡闅旓紙step-1锛夛紙绱㈠紩涔嬮棿鐨勫樊浠嶄负step锛屼絾鐩搁殧鐨勫厓绱犳槸step-1涓級涓厓绱犺繘琛屼竴娆℃埅鍙栥€?/p>

杩欐椂锛宻tart 鎸囧悜鐨勪綅缃簲璇ュ湪end鎸囧悜鐨勪綅缃殑鍙宠竟锛屽惁鍒欒繑鍥炲€间负绌?/p>

鏈変竴涓粡鍏稿簲鐢ㄦ槸锛氱炕杞瓧绗︿覆

姣斿锛?/p>

 str=鈥?/span>pythontab.com鈥?/span> str[::-1]

缁撴灉涓猴細

鈥榤oc.batnohtyp鈥?/p>

鍒囩墖杈圭晫闂

瀹炰緥锛?/p>

s=[1,2,3,4]       # S 涓婄晫涓?0 涓嬬晫涓?4s[-100:100]       #杩斿洖 [1,2,3,4] -100瓒呭嚭浜嗕笂鐣岋紝100瓒呭嚭浜嗕笅鐣岋細绛変环浜?s[0:4]s[-100:-200]      #杩斿洖 [] -100,-200鍧囪秴鍑轰簡涓婄晫锛岃嚜鍔ㄥ彇涓婄晫锛氱瓑浠蜂簬s[0:0]s[100:200]        #杩斿洖 [] 100,200鍧囪秴鍑轰簡涓嬬晫锛岃嚜鍔ㄥ彇涓嬬晫鍊硷細绛変环浜巗[4:4]s[:100]           #杩斿洖 [1,2,3,4] 寮€濮嬪€肩渷鐣ヨ〃绀轰粠绗?涓紑濮?/span>s[0:]             #杩斿洖 [1,2,3,4] 缁撴潫鍊间负绌鸿〃绀哄埌鏈€鍚庝竴涓粨鏉?/span>

娉ㄦ剰锛氭垜浣跨敤鐨刾ython鐗堟湰涓簆ython2.7锛宲ython鐨勫垏鐗囧瓨鍦ㄧ増鏈吋瀹归棶棰樸€傚湪python3涓湁鏇村姞楂樼骇鐨勫姛鑳藉拰鐢ㄦ硶锛屽湪浣跨敤鏃朵竴瀹氳娉ㄦ剰鑷繁鐨刾ython鐗堟湰

python鏃ヨ_鍒囩墖

鏍囩锛?a href='http://www.byrx.net/so/1/%e5%ad%98%e5%9c%a8' title='瀛樺湪'>瀛樺湪

鍘熸枃鍦板潃锛歨ttp://www.cnblogs.com/ne-zha/p/7462240.html