值得一看，13个简单易用的Python小技巧让你起飞！

Python鏄綋浠婁娇鐢ㄦ渶骞挎硾鐨勭紪绋嬭瑷€涔嬩竴锛屽湪鏁版嵁绉戝銆佺瀛﹁绠椼€乄eb寮€鍙戙€佹父鎴忓紑鍙戙€佹瀯寤烘闈㈠浘褰㈢晫闈㈢瓑鍚勪釜棰嗗煙閮芥湁搴旂敤銆侾ython鍥犲叾鍦ㄥ悇涓鍩熺殑瀹炵敤鎬с€佷笌鍏朵粬缂栫▼璇█锛堝Java銆丆鍜孋++锛夌浉姣旂殑鐢熶骇鍔涗互鍙婁笌鑻辫鐩镐技鐨勫懡浠よ€屽箍鍙楁杩庛€傚鏋滀綘涔熸槸涓€涓狿ython瀛︿範鐖卞ソ鑰咃紝閭ｄ箞浠婂ぉ浠嬬粛鐨?3涓妧鑳界湡鐨勫お濂藉悆浜嗭紒鍒楄〃鍜屽垪琛ㄧ浉鍏崇殑6涓搷浣滀粙缁嶅涓嬶紱1.灏嗕袱涓垪琛ㄥ悎骞舵垚涓€涓瓧鍏稿亣璁炬垜浠湪Python涓湁涓や釜鍒楄〃锛屾垜浠兂灏嗗畠浠悎骞舵垚涓€涓瓧鍏哥殑褰㈠紡锛屼竴涓垪琛ㄧ殑椤逛綔涓哄瓧鍏哥殑閿紝鍙︿竴涓綔涓哄€笺€傝繖鏄竴涓緢甯歌鐨勯棶棰橈紝鍦ㄧ敤Python鍐欎唬鐮佺殑鏃跺€欑粡甯镐細閬囧埌銆備絾鏄负浜嗚В鍐宠繖涓棶棰橈紝鎴戜滑闇€瑕佽€冭檻鍑犱釜绾︽潫鏉′欢锛屾瘮濡備袱涓垪琛ㄧ殑澶у皬锛屼袱涓垪琛ㄤ腑item鐨勭被鍨嬶紝閲岄潰鏄惁鏈夐噸澶嶇殑item锛屽挨鍏舵槸鎴戜滑瑕佷綔涓簁ey鐨刬tem.鎴戜滑鍙互閫氳繃浣跨敤鍍弞ip杩欐牱鐨勫唴缃嚱鏁版潵鍏嬫湇杩欎釜闂銆俴eys_list=['A','B','C']values_list=['blue','red','bold']#灏嗚繖涓や釜鍒楄〃杞崲鎴愬瓧鍏告湁3绉嶆柟寮?1.浣跨敤Pythonzip銆乨ictfunctiondict_method_1=dict(zip(keys_list,values_list))#2.浣跨敤甯﹀瓧鍏哥悊瑙ｇ殑zip鍑芥暟dict_method_2={key:valueforkey,valueinzip(keys_list,values_list)}#3.鍦ㄥ惊鐜腑浣跨敤zipFunctionitems_tuples=zip(keys_list,values_list)dict_method_3={}forkey,valueinitems_tuples:ifkeyindict_method_3:passelse:dict_method_3[key]=valueprint(dict_method_1)print(dict_method_2)print(dict_method_3)缁撴灉濡備笅锛?.灏嗕袱涓垨澶氫釜鍒楄〃鍚堝苟涓轰竴涓垪琛ㄥ綋鎴戜滑鏈変袱涓垨澶氫釜鍒楄〃鏃讹紝鎴戜滑甯屾湜灏嗗畠浠叏閮ㄦ敹闆嗗埌涓€涓ぇ鍒楄〃涓紝鍏朵腑杈冨皬鍒楄〃鐨勬墍鏈夌涓€椤规瀯鎴愯緝澶у垪琛ㄤ腑鐨勭涓€椤瑰垪琛ㄣ€備緥濡傦紝濡傛灉鎴戞湁4涓垪琛╗1,2,3]銆乕'a','b','c']銆乕'h','e','y']鍜孾4,5,6]銆佹垜浠涓鸿繖鍥涗釜鍒楄〃鏂板缓涓€涓垪琛紱瀹冨皢鏄痆[1,'a','h',4],[2,'b','e',5],[3,'c','y',6]]銆俤efmerge(*args,missing_val=None):max_length=max([len(lst)forlstinargs])outList=[]foriinrange(max_length):outList銆俛ppend([args[k][i]ifi=0:print(address)#addressinaddresses鐨勬柟娉曚簩锛歩fstreetinaddress:print(address)缁撴灉濡備笅锛?1.鑾峰彇瀛楃涓茬殑澶у皬锛堜互瀛楄妭涓哄崟浣嶏級鏈夋椂锛屽挨鍏舵槸鍦ㄦ瀯寤哄唴瀛樺叧閿瀷搴旂敤绋嬪簭鏃讹紝鎴戜滑闇€瑕佺煡閬撴垜浠殑瀛楃濡備綍瀛楃涓蹭娇鐢ㄧ殑鍐呭瓨閲忋€傚垢杩愮殑鏄紝杩欏彲浠ョ敤涓€琛屼唬鐮佸揩閫熷畬鎴愩€俿tr1="hello"str2="馃榾"defstr_size(s):returnlen(s.encode('utf-8'))print(str_size(str1))print(str_size(str2))缁撴灉濡備笅锛歩nput/outputOperations涓庤緭鍏?杈撳嚭鎿嶄綔鐩稿叧鐨勬搷浣滄湁涓ょ锛屼笅闈㈠垎鍒粙缁嶏紱12.妫€鏌ユ枃浠舵槸鍚﹀瓨鍦ㄥ湪鏁版嵁绉戝鍜岃澶氬叾浠栧簲鐢ㄤ腑锛屾垜浠粡甯搁渶瑕佷粠鏂囦欢涓鍙栨暟鎹垨鍚戞枃浠朵腑鍐欏叆鏁版嵁銆備絾涓烘鎴戜滑闇€瑕佹鏌ユ枃浠舵槸鍚﹀瓨鍦ㄣ€傚洜姝わ紝鎴戜滑鐨勪唬鐮佷笉浼氬洜閿欒鑰岀粓姝€?鏂规硶涓€importosexists=os.path.isfile('/path/to/file')#鏂规硶浜宖rompathlibimportPathconfig=Path('/path/to/file')ifconfig.is_file():pass13.瑙ｆ瀽鐢靛瓙琛ㄦ牸鍙︿竴绉嶉潪甯稿父瑙佺殑鏂囦欢浜や簰鏄粠鐢靛瓙琛ㄦ牸涓В鏋愭暟鎹€傚垢杩愮殑鏄紝鎴戜滑鏈塁SV妯″潡鏉ュ府鍔╂垜浠珮鏁堝湴鎵ц姝や换鍔°€俰mportcsvcsv_mapping_list=[]withopen("/path/to/data.csv")asmy_data:csv_reader=csv.reader(my_data,delimiter=",")line_count=0forlineincsv_reader:ifline_count==0:header=lineelse:row_dict={key:valueforkey,valueinzip(header,line)}csv_mapping_list.append(row_dict)line_count+=1鏂囨湯浣犱滑鐨勭偣璧炲拰鏀惰棌鏄鎴戞渶澶х殑榧撳姳锛佹杩庡叧娉ㄦ垜锛屽垎浜玃ython骞茶揣锛屼氦娴丳ython鎶€鏈€傚鏋滃ぇ瀹跺鏂囩珷鏈変粈涔堣瑙ｏ紝鎴栬€呮湁浠€涔堟妧鏈棶棰橈紝娆㈣繋鍦ㄨ瘎璁哄尯鐣欒█璁ㄨ锛?/p>