鎴戜笌涓栫晫鏍兼牸涓嶅叆,鎴戜笌python鎯烘兒鐩告儨

Posted 2020-12-27

鏍囩锛?a href='http://www.mamicode.com/so/1/%e7%94%a8%e6%88%b7%e8%be%93%e5%85%a5' title='鐢ㄦ埛杈撳叆'>鐢ㄦ埛杈撳叆   浜や簰   鏀惰垂   value   寰堝   骞朵笖   print   

1锛屾湁濡備笅鍙橀噺锛坱u鏄釜鍏冪粍锛夛紝璇峰疄鐜拌姹傜殑鍔熻兘
tu = ("alex", [11, 22, {"k1": 鈥榲1鈥? "k2": ["age", "name"], "k3": (11, 22, 33)}, 44])
         0     1
               0    1    2
                         0            1                       2
a.璁茶堪鍏冪粍鐨勭壒鎬?br>print("鍏冪粍鏄笉鍙彉鍒楄〃,閲岄潰鍙互鏀句换浣曟暟鎹被鍨嬬殑鏁版嵁,鍙互鏌ヨ,鍙互寰幆,鍙互鍒囩墖,浣嗘槸涓嶈兘鏇存敼.")
b.璇烽棶tu鍙橀噺涓殑绗竴涓厓绱?alex"鏄惁鍙淇敼锛?br>print("涓嶅彲浠?鍏冪粍鐨勭涓€灞傚厓绱犳槸涓嶅彲浠ヤ慨鏀圭殑")
c.璇烽棶tu鍙橀噺涓殑"k2"瀵瑰簲鐨勫€兼槸浠€涔堢被鍨嬶紵鏄惁鍙互琚慨鏀癸紵濡傛灉鍙互锛岃鍦ㄥ叾涓坊鍔犱竴涓厓绱?Seven"
鏄竴涓垪琛?鍙互琚慨鏀?
 print(type(tu[1][2][鈥榢2鈥榏))
 tu[1][2]["k2"].append("Seven")
 print(tu)
d.璇烽棶tu鍙橀噺涓殑"k3"瀵瑰簲鐨勫€兼槸浠€涔堢被鍨嬶紵鏄惁鍙互琚慨鏀癸紵濡傛灉鍙互锛岃鍦ㄥ叾涓坊鍔犱竴涓厓绱?Seven"
 print(type(tu[1][2][鈥榢3鈥榏))
瀵瑰簲鐨勬槸鍏冪粍,涓嶅彲浠ヨ淇敼.

dic = {鈥榢1鈥? "v1", "k2": "v2", "k3": [11, 22, 33]}
a.璇峰惊鐜緭鍑烘墍鏈夌殑key
 print(dic.keys())
 b.璇峰惊鐜緭鍑烘墍鏈夌殑value
 print(dic.values())
 c.璇峰惊鐜緭鍑烘墍鏈夌殑key鍜寁alue
 print(dic.items())
 d.璇峰湪瀛楀吀涓坊鍔犱竴涓敭鍊煎锛?k4": "v4"锛岃緭鍑烘坊鍔犲悗鐨勫瓧鍏?br> dic["k4"] = "v4"
 print(dic)
 e.璇蜂慨鏀瑰瓧鍏镐腑"k1"瀵瑰簲鐨勫€间负"alex"锛岃緭鍑轰慨鏀瑰悗鐨勫瓧鍏?br> dic[鈥榢1鈥榏 ="alex"
 print(dic)
 f.璇峰湪k3瀵瑰簲鐨勫€间腑杩藉姞涓€涓厓绱?4锛岃緭鍑轰慨鏀瑰悗鐨勫瓧鍏?br> dic["k3"] = "[11,22,33,44]"
 dic["k3"].append(44)    #dic.["k3"]瀵瑰簲鐨勫€煎氨鏄痆11,22,33],鍦ㄦ鍩虹涓婃坊鍔?4,浣跨敤dic["k3"].append(44)鍗冲彲
 print(dic)
 g.璇峰湪k3瀵瑰簲鐨勫€肩殑绗?1涓綅缃彃鍏ヤ釜鍏冪礌18锛岃緭鍑轰慨鏀瑰悗鐨勫瓧鍏?br> dic = {鈥榢1鈥? "v1", "k2": "v2", "k3": [11, 22, 33]}
 dic.get("k3").insert(0,18)
 dic["k3"].insert(0,18)
 print(dic)


绗笁棰?
av_catalog = {
    "娆х編":{
        "www.youporn.com": ["寰堝鍏嶈垂鐨?涓栫晫鏈€澶х殑","璐ㄩ噺涓€鑸?],
        "www.pornhub.com": ["寰堝鍏嶈垂鐨?涔熷緢澶?,"璐ㄩ噺姣攜ourporn楂樼偣"],
        "letmedothistoyou.com": ["澶氭槸鑷媿,楂樿川閲忓浘鐗囧緢澶?,"璧勬簮涓嶅,鏇存柊鎱?],
        "x-art.com":["璐ㄩ噺寰堥珮,鐪熺殑寰堥珮","鍏ㄩ儴鏀惰垂,灞屼笣璇风粫杩?]
    },
    "鏃ラ煩":{
        "tokyo-hot":["璐ㄩ噺鎬庢牱涓嶆竻妤?涓汉宸茬粡涓嶅枩娆㈡棩闊╄寖浜?,"verygood"]
    },
    "澶ч檰":{
        "1024":["鍏ㄩ儴鍏嶈垂,鐪熷ソ,濂戒汉涓€鐢熷钩瀹?,"鏈嶅姟鍣ㄥ湪鍥藉,鎱?]
    }
}

 a,缁欐 ["寰堝鍏嶈垂鐨?涓栫晫鏈€澶х殑","璐ㄩ噺涓€鑸?]鍒楄〃绗簩涓綅缃彃鍏ヤ竴涓? 鍏冪礌锛氣€橀噺寰堝ぇ鈥樸€?br> av_catalog["娆х編"]["www.youporn.com"][1]=鈥橀噺寰堝ぇ鈥?  #瑕佸浼氬彉閫?鏈亾棰樼殑瀛楀吀鏄痑v_catalog
 print(av_catalog)

 b,灏嗘 ["璐ㄩ噺寰堥珮,鐪熺殑寰堥珮","鍏ㄩ儴鏀惰垂,灞屼笣璇风粫杩?]鍒楄〃鐨?"鍏ㄩ儴鏀惰垂,灞屼笣璇风粫杩? 鍒犻櫎銆?br> av_catalog["娆х編"]["x-art.com"] =["璐ㄩ噺寰堥珮,鐪熺殑寰堥珮"]
 print(av_catalog)
 c,鍦ㄦ ["璐ㄩ噺寰堥珮,鐪熺殑寰堥珮","鍏ㄩ儴鏀惰垂,灞屼笣璇风粫杩?]鍒楄〃涓坊鍔?閲戣€佹澘鏈€鍠滄杩欎釜"銆?br> av_catalog["娆х編"]["x-art.com"].append("閲戣€佹澘鏈€鍠滄杩欎釜")
 print(av_catalog)
d,灏嗘["璐ㄩ噺鎬庢牱涓嶆竻妤?涓汉宸茬粡涓嶅枩娆㈡棩闊╄寖浜?,"verygood"]鍒楄〃鐨?"verygood"鍏ㄩ儴鍙樻垚澶у啓銆?br> av_catalog["鏃ラ煩"]["tokyo-hot"][1] = av_catalog["鏃ラ煩"]["tokyo-hot"][1].upper()
 print(av_catalog)
 e,缁欌€樺ぇ闄嗏€?瀵瑰簲鐨勫瓧鍏告坊鍔犱竴涓敭鍊煎 鈥?048鈥?:[鈥樹竴澶╁氨灏佷簡鈥榏
 av_catalog["澶ч檰"][1048] = [鈥樹竴澶╁氨灏佷簡鈥榏
 print(av_catalog)
 f,鍒犻櫎姝?letmedothistoyou.com": ["澶氭槸鑷媿,楂樿川閲忓浘鐗囧緢澶?,"璧勬簮涓嶅,鏇存柊鎱?]閿€煎銆?br> del av_catalog["娆х編"]["letmedothistoyou.com"]
 print(av_catalog)
 g,缁欐["鍏ㄩ儴鍏嶈垂,鐪熷ソ,濂戒汉涓€鐢熷钩瀹?,"鏈嶅姟鍣ㄥ湪鍥藉,鎱?]鍒楄〃鐨勭涓€涓厓绱狅紝鍔犱笂涓€鍙ヨ瘽锛氣€樺彲浠ョ埇涓嬫潵鈥?br> av_catalog["澶ч檰"]["1024"] = [鈥樺彲浠ョ埇涓嬫潵鈥?"鍏ㄩ儴鍏嶈垂,鐪熷ソ,濂戒汉涓€鐢熷钩瀹?,"鏈嶅姟鍣ㄥ湪鍥藉,鎱?]
 print(av_catalog)
 dic = {鈥榥ame鈥?鈥榓lex鈥?鈥榓ge鈥?18}

 for i in dic:          銆€銆€銆€銆€銆€銆€銆€銆€#灏嗗瓧鍏镐腑鐨勫厓绱犱緷娆￠亶鍘?榛樿鏄亶鍘嗛敭
     print(i)           銆€銆€銆€銆€銆€銆€銆€銆€#灏嗗瓧鍏镐腑鐨勯敭鎵撳嵃杈撳嚭
     print(dic[i])      銆€銆€銆€銆€銆€銆€銆€銆€#灏嗛敭瀵瑰簲鐨勫€兼墦鍗拌緭鍑?br>
4銆佹湁瀛楃涓?"k:1|k1:2|k2:3|k3:4" 澶勭悊鎴愬瓧鍏?{鈥榢鈥?1,鈥榢1鈥?2....}  (鍗囩骇棰?

 s = "k:1|k1:2|k2:3|k3:4"     銆€銆€銆€銆€#杩欐槸涓€涓瓧绗︿覆
 new_li = s.split("|")        銆€銆€銆€銆€#灏嗗瓧绗︿覆鐢ㄧ珫绾胯繘琛屽垏鍓?骞跺皢寰楀埌鐨勬柊鍒楄〃璧嬪€肩粰鍙宠竟鐨刵ew_li
 dic = {}                     銆€銆€銆€銆€#鍒涘缓涓€涓柊鐨勫瓧鍏?br> print(new_li)                銆€銆€銆€銆€#鎵撳嵃鏂扮殑鍒楄〃
 for i in new_li:             銆€銆€銆€銆€#灏嗗垪琛ㄤ腑鐨勬瘡涓€涓厓绱犺繘琛岄亶鍘?br>     k,v = i.split(":")       銆€銆€銆€銆€#灏嗕笂闈㈤亶鍘嗙殑鍏冪礌,鐢?:"鍒囧壊,骞惰祴鍊肩粰宸﹁竟鐨刱.v
     dic[k] = int(v)          銆€銆€銆€銆€#鍚戝瓧鍏镐腑娣诲姞閿€煎
 print(dic)                   銆€銆€銆€銆€#鎵撳嵃瀛楀吀

5銆佸厓绱犲垎绫?br>鏈夊涓嬪€糽i= [11,22,33,44,55,66,77,88,99,90]锛屽皢鎵€鏈夊ぇ浜?66 鐨勫€间繚瀛樿嚦瀛楀吀鐨勭涓€涓猭ey涓紝灏嗗皬浜?66 鐨勫€间繚瀛樿嚦绗簩涓猭ey鐨勫€间腑銆?br>鍗筹細 {鈥榢1鈥? 澶т簬66鐨勬墍鏈夊€煎垪琛? 鈥榢2鈥? 灏忎簬66鐨勬墍鏈夊€煎垪琛▆
 li= [11,22,33,44,55,66,77,88,99,90]
 dic = {}
 s1 = []
 s2 = []
 for i in li:
     if i > 66:
         s1.append(i)
     else:
         s2.append(i)
     dic.setdefault(鈥榢1鈥? s1)
     dic.setdefault(鈥榢2鈥? s2)
 print(dic)

鏈夊涓嬪€糽i= [11,22,33,44,55,66,77,88,99,90]锛屽皢鎵€鏈夊ぇ浜?66 鐨勫€间繚瀛樿嚦瀛楀吀鐨勭涓€涓猭ey涓紝灏嗗皬浜?66 鐨勫€间繚瀛樿嚦绗簩涓猭ey鐨勫€间腑銆?br>鍗筹細 {鈥榢1鈥? 澶т簬66鐨勬墍鏈夊€煎垪琛? 鈥榢2鈥? 灏忎簬66鐨勬墍鏈夊€煎垪琛▆
 li= [11,22,33,44,55,66,77,88,99,90]    銆€銆€銆€銆€#鍒楄〃
 dic = {鈥榢1鈥?[],鈥榢2鈥?[]}               銆€銆€銆€銆€#鍒涘缓涓€涓瓧鍏?br> for i in li:                          銆€銆€銆€銆€#灏嗗垪琛ㄤ腑鐨勫厓绱犻亶鍘?br>      if i == 66:                      銆€銆€銆€銆€#濡傛灉i =66,鍋滄鏈眰寰幆,缁х画涓嬩竴寰幆
          continue
      elif i > 66:                     銆€銆€銆€銆€#濡傛灉i>66
         dic.setdefault(鈥榢1鈥?.append(i) 銆€銆€銆€銆€#dic.setdefault(鈥榢1鈥? 杩欒〃绀虹殑鏄?閿甼1瀵瑰簲鐨勫垪琛?灏嗘弧瓒虫潯浠剁殑鍊兼坊鍔犲埌鍒楄〃涓?br>      else:
         dic.setdefault(鈥榢2鈥?.append(i) 銆€銆€銆€銆€#dic.setdefault(鈥榢1鈥? 杩欒〃绀虹殑鏄?閿甼1瀵瑰簲鐨勫垪琛?灏嗘弧瓒虫潯浠剁殑鍊兼坊鍔犲埌鍒楄〃涓?br>
 print(dic)
绗?棰?br>鈥樷€樷€?br>
1锛氶〉闈㈡樉绀?搴忓彿 + 鍟嗗搧鍚嶇О + 鍟嗗搧浠锋牸锛屽锛?br>          1 鐢佃剳 1999 
             2 榧犳爣 10
          鈥?br>2锛氱敤鎴疯緭鍏ラ€夋嫨鐨勫晢鍝佸簭鍙凤紝鐒跺悗鎵撳嵃鍟嗗搧鍚嶇О鍙婂晢鍝佷环鏍?br>3锛氬鏋滅敤鎴疯緭鍏ョ殑鍟嗗搧搴忓彿鏈夎锛屽垯鎻愮ず杈撳叆鏈夎锛屽苟閲嶆柊杈撳叆銆?br>4锛氱敤鎴疯緭鍏鎴栬€卶锛岄€€鍑虹▼搴忋€?br>鈥樷€樷€?br> goods = [{"name": "鐢佃剳", "price": 1999},  #杩欐槸涓€涓寘鍚洓涓瓧鍏哥殑鍒楄〃
          {"name": "榧犳爣", "price": 10},
          {"name": "娓歌墖", "price": 20},
          {"name": "缇庡コ", "price": 998}, ]

 while 1:                                                         #鏃犻檺寰幆
     for i in goods:                                              #灏嗗垪琛ㄤ腑鐨勭殑閿緷娆¤繘琛岄亶鍘?br>         print(goods.index(i) + 1,i[鈥榥ame鈥榏,i[鈥榩rice鈥榏)           #杈撳嚭(goods.index(i) + 1)鍒楄〃涓敭鍊煎鐨勭储寮?1,杈撳嚭閿搴旂殑鍊?br>                                                                  #name鍜宲rice閮芥槸瀛楀吀涓殑閿?br>     str_input = input(鈥樿杈撳叆鎮ㄨ閫夌潃鐨勫晢鍝佸簭鍙?杈撳叆Q/q閫€鍑?鈥?銆€銆€銆€銆€銆€ #鍒涘缓涓€涓敤鎴蜂氦浜?br>
     if str_input.isdigit() and 0 < int(str_input) < len(goods):   #濡傛灉杈撳叆鐨勫唴瀹规槸鏁板瓧,骞朵笖,鏁板瓧澶т簬0,灏忎簬鍒楄〃鐨勯暱搴?br>         i_index = int(str_input)-1                                #灏嗙敤鎴疯緭鍏ョ殑瀛楃涓插彉鎴愭暣鍨?鐢ㄦ暟瀛楀噺鍘?鍙樻垚瀵瑰簲鐨勭储寮?璧嬪€肩粰宸﹁竟鐨刬_index
         print(goods[i_index][鈥榥ame鈥榏,goods[i_index][鈥榩rice鈥榏)     #鎵撳嵃鍒楄〃涓储寮曞搴旂殑瀛楀吀涓殑鍟嗗搧鍚嶇О,鍜屼环鏍?br>     elif str_input.upper() == 鈥楺鈥?                                #濡傛灉杈撳叆鐨勫瓧姣嶆槸Q,涓嶇鐢ㄦ埛杈撳叆鐨勬槸澶у啓瀛楁瘝杩樻槸灏忓啓瀛楁瘝,閮藉彉鎴愬ぇ鍐欏瓧姣?
         break                                                     #缁堟寰幆
     else:
         print(鈥樿緭鍏ユ湁璇?璇烽噸鏂拌緭鍏?鈥?