python3.x瀛︿範灏忚，,鏍囩锛?a hre
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鏍囩锛?a href='http://www.byrx.net/so/1/python' title='python'>python
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1 2 3 4 5 6 7 | defarithmetic(x,y,operator): result={ 鈥?span style="color:rgb(0,102,153)">+鈥?x+y, 鈥?span style="color:rgb(0,102,153)">-鈥?x-y, 鈥?span style="color:rgb(0,102,153)">*鈥?x*y, 鈥?span style="color:rgb(0,102,153)">/鈥?x/y } |
7鍑芥暟杩斿洖值鍙互鐢╮eturn鏉ユ帶鍒躲€?/p>
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1 2 | format=鈥?span style="color:rgb(0,102,153)">%s%d鈥?nbsp;%(str1,num) printformat |
2鐢?#43;杩涜瀛楃涓茬殑鍚堝苟锛?/p>
1 2 3 | str1=鈥漢ello鈥?/p> str2=鈥漺orld鈥?/p> result=str1+str2 |
3瀛楃涓叉埅鍙栧彲浠ラ€氳繃绱㈠紩/鍒囩墖锛屼篃鍙互閫氳繃split鍑芥暟銆?/p>
4閫氳繃鍒囩墖鎴彇瀛楃涓诧細
1 2 | word=鈥漺orld鈥?/p> printword[0:3] |
5python浣跨敤==鍜?=鏉ヨ繘琛屽瓧绗︿覆姣旇緝銆傚鏋滄瘮杈冪殑涓や釜鍙橀噺鐨勭被鍨嬩笉鐩稿悓锛岄偅涔堢粨鏋滃繀鐒朵负涓嶅悓銆?/p>
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1 2 3 4 | context=鈥漢ello,world鈥?/p> f=file(鈥渉ello.txt鈥?鈥檞鈥? f.write(context); f.close() |
2璇诲彇鏂囦欢鍙互浣跨敤readline()鍑芥暟銆乺eadlines()鍑芥暟鍜宺ead鍑芥暟銆?/p>
3鍐欏叆鏂囦欢鍙互浣跨敤write()銆亀ritelines()鍑芥暟
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1python鐢╟lass淇濈暀瀛楁潵瀹氫箟涓€涓被锛岀被鍚嶇殑棣栧瓧绗﹁澶у啓銆傚綋绋嬪簭鍛橀渶瑕佸垱寤虹殑绫诲瀷涓嶈兘鐢ㄧ畝鍗曠被鍨嬫潵琛ㄧず鏃讹紝灏遍渶瑕佸畾涔夌被锛岀劧鍚庡埄鐢ㄥ畾涔夌殑绫诲垱寤哄璞°€傚畾涔夌被绀轰緥锛?/p>
1 2 3 | classFruit: defgrow(self): print鈥淔ruitgrow鈥?/p> |
2褰撲竴涓璞¤鍒涘缓鍚庯紝鍖呭惈浜嗕笁鏂归潰鐨勭壒鎬э紝鍗冲璞＄殑鍙ユ焺銆佸睘鎬у拰鏂规硶銆傚垱寤哄璞＄殑鏂规硶锛?/p>
1 2 | fruit=Fruit() fruit.grow() |
3python娌℃湁淇濇姢绫诲瀷鐨勪慨楗扮
4绫荤殑鏂规硶涔熷垎涓哄叕鏈夋柟娉曞拰绉佹湁鏂规硶銆傜鏈夊嚱鏁颁笉鑳借璇ョ被涔嬪鐨勫嚱鏁拌皟鐢紝绉佹湁鐨勬柟娉曚篃涓嶈兘琚閮ㄧ殑绫绘垨鍑芥暟璋冪敤銆?/p>
5python浣跨敤鍑芥暟鈥漵taticmethod()鈥滄垨鈥滰staticmethod鈥滄寚浠ょ殑鏂规硶鎶婃櫘閫氱殑鍑芥暟杞崲涓洪潤鎬佹柟娉曘€傞潤鎬佹柟娉曠浉褰撲簬鍏ㄥ眬鍑芥暟銆?/p>
6python鐨勬瀯閫犲嚱鏁板悕涓篲_init__锛屾瀽鏋勫嚱鏁板悕涓篲_del__
7缁ф壙鐨勪娇鐢ㄦ柟娉曪細
1 2 | classApple(Fruit): def鈥?/p> |
銆愯繛鎺ysql銆?/p>
1鐢∕ySQLdb妯″潡鎿嶄綔MySQL鏁版嵁搴撻潪甯告柟渚裤€傜ず渚嬩唬鐮佸涓嬶細
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | importos,sys importMySQLdb try: connMySQLdb.connect(host=鈥檒ocalhost鈥?user=鈥檙oot鈥?passwd=鈥欌€?db=鈥檃ddress鈥?/p> exceptException,e: printe sys.exit() cursor=conn.cursor() sql=鈥檌nsertintoaddress(name,address)values(%s,%s)鈥?/p> value=((鈥渮hangsan鈥?鈥漢aidian鈥?,(鈥渓isi鈥?鈥漢aidian鈥?) try cursor.executemany(sql,values) exceptException,e: printe sql=鈥漵elect*fromaddress鈥?/p> cursor.execute(sql) data=cursor.fetchall() ifdata forxindata: printx[0],x[1] cursor.close() conn.close() |
璋㈣阿锛?/p>
铏界劧python鏀跺埌iT鐣岀殑澶у姏鍙戝睍锛屽凡缁忔洿鏂板埌3.X锛屼絾寰堝搴旂敤杩樻槸鍋忓悜浜?.X灏ゅ叾2.7锛屽洜姝わ紝鍦ㄤ箣鍚庣殑瀛︿範閮芥槸浠?.7浣滀负杞戒綋銆?/p>
python3.x瀛︿範灏忚
鏍囩锛?a href='http://www.byrx.net/so/1/python' title='python'>python
鍘熸枃鍦板潃锛歨ttp://blog.csdn.net/gugugujiawei/article/details/41450807
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