python怎么取各个数位的数？ 如何用python求list中奇数位的元素, 累积和， 还有...
\u5982\u4f55\u7528Python3.8.0 \u8f93\u51fa\u4e00\u4e2a\u6570\u7684\u4e2a\u4f4d\uff1f\u7528\u767e\u5206\u53f7\uff05\u8fd0\u7b97\u7b26\u5c31\u53ef\u4ee5\u4e86\uff0c\u6bd4\u5982112\u7684\u5404\u4f4d\u5bf910\u53d6\u4f59\u6570\u5c31\u662f2
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>>> [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]
a = 12345 取个位 : b = (a / 1) % 10 = a % 10 取十位: b = (a / 10) % 10 取百位: b = (a / 100) % 10 以此类推。假设输入的数是n, n不为0 n=某数 while n>0。 (n,r) = divmod(n,10) print r 其中(n,r) = divmod(n,10) r是个位数。n是其它高位数,divmod包含 除和求余数.。或者用 [int(i) for i in str(n)] str(n) 把数变成字符串 int(i) 把字符串里的字母变成数字。
绛旓細lista=[]listb=[]listx=[str(j) for j in range(5,10)]listx.insert(0,"0")'''(Tab)澶勭缉杩涗唬鐮'''for j in range(123, 433):纭畾鑼冨洿123锝432 (Tab)if str(j)[1] not in listx and str(j)[2] not in listx:鎺掗櫎涓変綅鏁颁腑鍚勬暟浣涓鏁板瓧鏄0銆5銆6銆7銆8銆9 (Tab)(Tab...
绛旓細if x % 3 == 0:print "%d 鑳借3鏁撮櫎" %(x)else:print "%d 涓嶈兘琚3鏁撮櫎" %(x)12345 鏂规硶浜岋細杩樻湁涓绉嶅氨鏄皢鍏鍚勪釜鏁颁綅涓鐨勬暟瀛鐩稿姞锛岀劧鍚庨櫎浠3锛屽鏋滆兘琚3鏁撮櫎锛屽垯鍘熸暟瀛楄兘琚3鏁撮櫎銆倄 = 0 y = raw_input("input an number:") #杩欓噷鍙栦负瀛楃涓茬殑鍘熷洜鏄紝瑕侀亶鍘鏁板瓧鐨勫悇涓暟浣 f...
绛旓細Python 鎻愪緵浜 input() 鍐呯疆鍑芥暟浠庢爣鍑嗚緭鍏(閿洏)璇诲叆涓琛屾枃鏈紝榛樿鐨勬爣鍑嗚緭鍏ユ槸閿洏銆傝繑鍥炵粨鏋滄槸瀛楃涓层傚鏋滀粠閿洏杈撳叆涓や釜鏁板瓧锛屽苟姹傝繖涓や釜鏁板瓧涔嬪拰锛岃鎬庝箞鍐欑▼搴忓憿锛焑val(expression)eval鍑芥暟瑙ｆ瀽expression鍙傛暟骞跺皢鍏惰瘎浼颁负python琛ㄨ揪寮忋傛崲鍙ヨ瘽璇达紝鎴戜滑鍙互璇磋繖涓嚱鏁拌В鏋愪簡浼犻掔粰瀹冪殑琛ㄨ揪寮忓苟鍦ㄧ▼搴...
绛旓細total = 0 n = input("璇疯緭鍏ヤ竴涓暣鏁:")for i in range(len(n)):s = int(n) % 10#鎻愬彇涓暟 total += s #涓暟鐩稿姞 n = int(n) // 10 #鍘绘帀鎻愬彇鐨勬暟瀛 if total % 2 == 0:print "鏄伓鏁"else:print "涓嶆槸鍋舵暟"
绛旓細鎬濊矾鏄繖鏍风殑锛岀敤杈撳叆鐨勪簲浣鏁板瓧锛屼笉鏂10杩涜鍙栦綑锛岀劧鍚庤幏寰楃殑灏辨槸灏炬暟锛屾妸灏炬暟鏀捐繘鏁扮粍锛岀劧鍚庣敤瀛楃涓插鐞嗗嚱鏁癹oin鍙互鎶婂瓧绗﹁繛鎺ヨ捣鏉ワ紝骞朵笖灏鹃儴涓嶄細鏈夊浣欑┖鏍笺倄=input('input a number')x=int(x)arr=[]for i in range(5):x,b=divmod(x,10)arr.append(b)print(' '.join([str(i) ...
绛旓細涓変綅鏁颁箻浠ヤ袱浣嶆暟鐨勬垜浠彲浠ヤ娇鐢Python鏉ヨ绠椾笁浣嶆暟涔樹互涓や綅鏁扮殑缁撴灉銆傚凡鐭ヤ笁浣嶆暟涓猴細123銆傚凡鐭ヤ袱浣嶆暟涓猴細45銆傛牴鎹箻娉曡繍绠楋紝鍙緱鍒板畠浠殑绉細123脳45=5535銆傛墍浠ワ紝涓変綅鏁颁箻浠ヤ袱浣嶆暟鐨勭粨鏋滄槸5535銆備竴涓嚜鐒舵暟鏁颁綅鐨勪釜鏁帮紝鍙仛浣嶆暟銆傚惈鏈変竴涓鏁颁綅鐨勬暟鏄竴浣嶆暟,鍚湁涓や釜鏁颁綅鐨勬暟鏄袱浣嶆暟锛屽惈鏈変笁涓暟浣嶇殑...
绛旓細"""涓や釜鍗佷竴浣嶆暟111111111111鍜99999999鐨勪箻绉腑鍚勬暟浣涓鐨勬暟瀛涓哄伓鏁扮殑涓暟鏈夊嚑锛熺紪鍐欎竴涓彲浠ヨ绠椾换鎰忎袱涓暟瀛楃殑涔樼Н鍋舵暟涓暟鐨勪唬鐮併傛垜浣跨敤鐨勮瑷涓Python锛孖DE涓篜ycharm銆傚鏋滃鍒剁殑璇濆皢娉ㄩ噴瑙ｉ櫎鍗冲彲銆"""杩愯缁撴灉锛氳緭鍏ョ涓涓暟:11111111111 杈撳叆绗簩涓暟:99999999999 涔樼Н涓伓鏁颁釜鏁颁负: 11.1. ...
绛旓細2 棰橈紝杈撳嚭鍥浣嶆暟 from functools import reducea = 7501# 鎻愬彇姣忎釜鏁板瓧a_list = [i for i in str(a)]print(', '.join(a_list))# 姹傚拰sum = reduce(lambda x, y: int(x) + int(y), a_list)print('姣忎釜鏁板瓧鐨勫拰涓: {}'.format(sum))3 棰橈紝闂板勾闂 list = []print('闂板勾...
绛旓細绗竴棰橈細s = input("璇疯緭鍏ヤ竴涓洓浣嶆暟锛")ls = list(s)sum = 0for i in ls: sum += eval(i)print("浣犺緭鍏ョ殑鍥涗綅鏁版槸锛歿}锛屽畠鐨勬暟瀛涔嬪拰鏄細{}".format(s, sum))# 绗簩棰榗ounts = 0years = []for i in range(2019, 2120): if (i % 4 == 0 and i % 100 !=...
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