如何用python求list中奇数位的元素, 累积和， 还有各数位上的值 在python中输入一个数字列表,使用切片将奇数位上的数乘2...
\u5982\u4f55\u7528python\u6c42list\u7684\u4e2d\u4f4d\u6570def median(lst): if not lst: return lst=sorted(lst) if len(lst)%2==1: return lst[len(lst)//2] else: return (lst[len(lst)//2-1]+lst[len(lst//2])/2.0
list=[int(x) for x in input("\u8f93\u5165\u6570\u5b57\u5217\u8868\uff0c\u6570\u5b57\u95f4\u7528\u7a7a\u683c\u9694\u5f00:").split()]
#\u4f7f\u7528\u5207\u7247
print([x*2 for x in list[1::2]])
print([x+10 for x in list[::2]])
#\u4e0d\u4f7f\u7528\u5207\u7247
print([x+10 if i%2==0 else x*2 for i,x in enumerate(list)])
1
>>> [0,1,2,3,4,5][1::2]
[1, 3, 5]
2
>>> from itertools import accumulate
>>> list(accumulate([1,1,1]))
[1, 2, 3]
>>> list(accumulate([1,-1,3]))
[1, 0, 3]
3
>>> list(map(int,str(123)))
[1, 2, 3]
绛旓細瑕佸疄鐜拌繖涓渶姹傦紝浣犲彲浠浣跨敤Python鐨itertools搴撴潵鐢熸垚鎵鏈夊彲鑳界殑缁勫悎锛岀劧鍚璁＄畻姣忎釜缁勫悎鐨勬诲拰锛屾鏌ュ畠浠槸鍚﹀湪2500鍒2600涔嬮棿銆傝繖閲屾槸涓涓疄鐜扮殑绀轰緥锛歩mport itertools import random def calculate_sum(combo):total = 0 for item in combo:total += item["number"] * item["price"]return total def...
绛旓細Python涓鏌ユ壘list涓煇涓浐瀹氬厓绱犳槸甯告湁鐨勪簨锛屽浜庝袱绉嶄笉鍚岀殑鏌ユ壘鏈変袱绉嶄笉鍚岀殑瑙ｅ喅鏂规锛岃涓嬨傛煡鎵惧厓绱犻娆″嚭鐜扮殑浣嶇疆锛歭ist鑷甫鐨勬柟娉昳ndex鍙互鎵惧嚭鏌愬厓绱鍦╨ist涓棣栨鍑虹幇鐨勪綅缃紝鐢ㄦ硶涓猴細鍏朵腑锛宻tart涓哄紑濮嬫悳绱㈢殑浣嶇疆锛岄粯璁や负0锛沞nd涓虹粨鏉熸悳绱㈢殑浣嶇疆锛岄粯璁や负list闀垮害.鏌ユ壘鍏冪礌鍑虹幇鐨勬墍鏈変綅缃:鑻ユ兂鎵惧嚭鏌愪竴...
绛旓細1. 鍦≒ython涓紝鍒楄〃锛List锛夋槸涓绉嶅叿澶囬『搴忕壒鎬х殑鏁版嵁缁撴瀯锛岃兘澶熷瓨鍌ㄤ笉鍚岀被鍨嬬殑鍏冪礌銆2. 鍒楄〃鏄疨ython缂栫▼涓父鐢ㄧ殑鏁版嵁绫诲瀷锛岄傜敤浜庡瓨鍌ㄥ拰鎿嶄綔涓绯诲垪鏁版嵁椤广3. 鍒涘缓鍒楄〃鏃讹紝鍙互浣跨敤鏂规嫭鍙穈[]`鏉ュ畾涔夛紝骞堕氳繃閫楀彿`,`鍒嗛殧姣忎釜鍏冪礌銆備緥濡傦紝`my_list = [1, 2, 3, 4, 5]`銆4. 鑻ヨ鍒涘缓涓涓...
绛旓細浣犳槸璇磋幏鍙List鐨勫厓绱犱釜鏁板悧锛熺敤len()鏉ヨ幏鍙栨暟缁勯暱搴﹀晩锛宭t = [1,2,3]len(lt)鐨勭粨鏋滃氨鏄3
绛旓細2. 鍒楄〃鍦≒ython涓潪甯稿父瑙侊紝骞朵笖鏄鐞嗗ぇ閲忔暟鎹殑鏈夋晥鏂瑰紡銆3. 鍒涘缓鍒楄〃锛氬彲浠ヤ娇鐢ㄦ柟鎷彿鍜岄楀彿鏉ュ垱寤哄垪琛ㄣ備緥濡傦紝my_list = [1, 2, 3, 4, 5]銆4. 鎮ㄤ篃鍙互浣跨敤鏂规嫭鍙峰拰閫楀彿鏉ュ垱寤虹┖鍒楄〃锛屼緥濡傦紝empty_list = []銆5. 璁块棶鍒楄〃鍏冪礌锛氬彲浠ヤ娇鐢ㄦ柟鎷彿鍜岀储寮曟潵璁块棶鍒楄〃涓殑鍏冪礌銆傜储寮曟槸浠0寮濮...
绛旓細鍩烘湰鎬濇兂鏄厛鎵惧埌鏈澶х殑涓や釜鍏冪礌锛岃屼笉鍙槸娆″ぇ鍏冪礌 鍩虹鎯呭喌锛氶暱搴︿负2鍒楄〃鐨勬渶澶т袱涓厓绱狅紝闀垮害涓3鍒楄〃鐨勬渶澶х殑涓や釜鍏冪礌 閫掑綊鎯呭喌锛氶暱搴︿负n鐨勫垪琛ㄧ殑鏈澶х殑涓や釜鍏冪礌涓哄墠n-1椤规渶澶х殑涓や釜鍏冪礌涓庢渶鍚庝竴涓厓绱狅紝杩欎笁涓厓绱犱腑鏈澶х殑涓や釜鍏冪礌 def large2(l): if len(l) == 2: if l[0...
绛旓細my_list = [1, 2, 3]鍒楄〃涓殑鍏冪礌鍙互鏄换浣曠被鍨嬬殑鏁版嵁锛屽寘鎷暣鏁般佹诞鐐规暟銆佸瓧绗︿覆銆佸竷灏斿笺佸叾浠栧垪琛ㄧ瓑銆傚垪琛ㄦ槸Python涓鏈甯哥敤鐨勬暟鎹被鍨嬩箣涓锛屽彲浠ョ敤浜庡瓨鍌ㄤ竴缁勭浉鍏崇殑鏁版嵁锛屽苟瀵瑰叾杩涜鎿嶄綔銆傚垪琛ㄤ腑鐨勫厓绱犲彲浠閫氳繃绱㈠紩鏉ヨ闂傜储寮曚粠0寮濮嬶紝琛ㄧず鍒楄〃涓厓绱犵殑椤哄簭銆備緥濡傦紝瑕佽闂涓涓厓绱狅紝鍙互浣跨敤...
绛旓細another_list = ['a', 'b', 'c'] # 鍒涘缓涓涓寘鍚瓧绗︿覆鐨刲ist mixed_list = [1, 'a', True] # 鍒涘缓涓涓寘鍚贩鍚堟暟鎹被鍨嬬殑list nested_list = [1, [2, 3], 4] # 鍒涘缓涓涓寘鍚彟涓涓猯ist鐨刲ist 浣犲彲浠ラ氳繃绱㈠紩鏉ヨ闂佷慨鏀list涓鐨勫厓绱犮鍦≒ython涓紝绱㈠紩鏄粠0寮濮嬬殑銆備緥濡傦細pyt...
绛旓細one_long_list=[13,34,3,343,343,3434324]biggestnum=one_long_list[0]for i in one_long_list[1:]: if(biggestnum
绛旓細>>> L=[1,1,2,2,3,3,4,4]>>> len(L)8 >>> len(set(L))4 绗簩绉嶆槸璁＄畻鏈夊灏戜釜涓嶅悓鍏冪礌
