python中赋值号和逻辑运算符的优先级顺序？ Python运算符优先级规则有哪些
\u8d4b\u503c\u8fd0\u7b97\u7b26\u4e0e\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7D\u3001\u8d4b\u503c\u8fd0\u7b97\u7b26\uff1c\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\uff1c\u5173\u7cfb\u8fd0\u7b97\u7b26\uff1c\u7b97\u672f\u8fd0\u7b97\u7b26
\u4ee5\u4e0b\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u987a\u5e8f\u4f9d\u6b21\u9012\u589e\uff1aLambda #\u8fd0\u7b97\u4f18\u5148\u7ea7\u6700\u4f4e\u903b\u8f91\u8fd0\u7b97\u7b26: or\u903b\u8f91\u8fd0\u7b97\u7b26: and\u903b\u8f91\u8fd0\u7b97\u7b26:not\u6210\u5458\u6d4b\u8bd5: in, not in\u540c\u4e00\u6027\u6d4b\u8bd5: is, is not\u6bd4\u8f83: ,>=,!=,==\u6309\u4f4d\u6216: |\u6309\u4f4d\u5f02\u6216: ^\u6309\u4f4d\u4e0e: &\u79fb\u4f4d: >\u52a0\u6cd5\u4e0e\u51cf\u6cd5: + ,-\u4e58\u6cd5\u3001\u9664\u6cd5\u4e0e\u53d6\u4f59: *, / ,%\u6b63\u8d1f\u53f7: +x,-x
Python运算符优先级
以下表格列出了从最高到最低优先级的所有运算符：
绛旓細1銆佷袱涓肩浉鍔狅紝鐒跺悗杩斿洖鍊肩粰绗﹀彿宸︿晶鐨勫彉閲 涓句緥濡備笅:>>> a=1 >>> b=3 >>> a+=b锛堟垨鑰卆+=3锛>>> a 42銆佺敤浜庡瓧绗︿覆杩炴帴锛堝彉閲忓煎甫寮曞彿锛屾暟鎹被鍨嬩负瀛楃涓诧級>>> a='1'>>> b='2'>>> a+=b >>> a '12'
绛旓細绗笁绉嶏細Python璧嬪杩愮畻绗 璧嬪艰繍绠绗︽槸缂栫▼寮鍙戜腑鏈甯哥敤鐨勮繍绠楃锛屽嵆瀵逛竴涓璞¤繘琛岃祴鍊硷紝灏嗚繍绠楃鍙充晶鐨勫艰祴鍊肩粰宸︿晶鐨勫彉閲忋=锛氱畝鍗鐨勮祴鍊杩愮畻绗︼紝鐢ㄤ簬鍙橀噺鐨勮祴鍊;+=锛氬姞娉曡祴鍊艰繍绠楃;姝ゅ锛-=銆*=銆/=銆/=銆%=銆//=绛夈傜鍥涚锛Python閫昏緫杩愮畻绗 鐢ㄤ簬閫昏緫棰勭畻鐨勭鍙凤紝涓鑸敤浜庡垽鏂袱涓彉閲忕殑...
绛旓細娉ㄦ剰锛1. 涓涓=琛ㄧず璧嬪锛屼袱涓==琛ㄧず鍒ゆ柇涓や釜瀵硅薄鏄惁鐩哥瓑 2.鍏崇郴杩愮畻绗﹀彲浠ヨ繛鐢 3.閫昏緫杩愮畻绗 閫昏緫杩愮畻绗︾敤浜庡垽鏂涓潯浠舵槸鍚︽弧瓒虫煇涓瑕佹眰銆備笌鍏朵粬缂栫▼璇█涓嶅悓鐨勬槸锛Python涓鐢 not 琛ㄧず閫昏緫闈烇紝and 琛ㄧず閫昏緫涓庯紝 or 琛ㄧず閫昏緫鎴栥傗憼 and 鍚嶇О锛氶昏緫涓 鍙湁褰揳nd涓よ竟鐨勪箣閮戒负 True鏃讹紝缁...
绛旓細1. 姣旇緝杩愮畻绗︼細濡傛灉姣旇緝寮忔垚绔嬶紝杩斿洖True锛涗笉鎴愮珛锛屽垯杩斿洖False銆傚父瑙佺殑姣旇緝杩愮畻绗﹀涓嬶細闄や簡绠鍗曠殑涓ゅ肩浉姣斾箣澶栵紝姣旇緝杩愮畻绗﹁繕鏀寔姣旇緝澶嶆潅鐨勬瘮杈冦傦紙1锛夊鏉′欢姣旇緝锛氬彲浠ュ厛缁欏彉閲廰璧嬪锛岀劧鍚庡仛澶氭潯浠舵瘮杈冦1 a = 3 2 print(1 < a < 5)锛2锛夊彉閲忕殑姣旇緝锛氱粰鍙橀噺a鍜屽彉閲廱鍒嗗埆璧嬪硷紝杩涜姣旇緝銆1...
绛旓細Python3.0鐨勫叧绯昏繍绠楃鏈夛細鈥滃ぇ浜>鈥濄佲滃皬浜=鈥濄佲滃皬浜庢垨绛変簬<=鈥濄傝繕鏈変竴涓壒娈婄殑鍏崇郴杩愮畻绗︹滃1鍙橀噺鍊2鈥濓紝濡傦細>>> a=10 >>> b=20 >>> c=15 >>> print(a<b<c) p=""> </b<c)> False >>> print(a<c </c True 6.4閫昏緫杩愮畻 閫昏緫杩愮畻绗﹀寘鎷滈昏緫涓巃nd鈥濄佲滈昏緫鎴杘...
绛旓細閫昏緫杩愮畻绗︾敤浜庣粍鍚堝涓潯浠舵祴璇曡鍙ャ傚亣璁锯滄垜浠婂勾18宀佲濆拰鈥滄垜韬珮2绫斥濊繖涓や釜璇彞锛屽墠涓涓鍙ユ槸鐪熺殑锛屽悗涓涓鍙ユ槸鍋囩殑锛屽洜姝わ紝鈥滄垜浠婂勾18宀侊紝骞朵笖鎴戣韩楂2绫斥濊繖涓鍙ユ槸鍋囩殑銆傚叾涓紝鈥滃苟涓斺濆彲浠ヨ涓烘槸閫昏緫杩愮畻绗︺Python涓鏈変笁绉嶉昏緫杩愮畻绗︼紝鍒嗗埆鏄痑nd銆乷r鍜宯ot銆備竴銆侀昏緫杩愮畻绗nd 鍦ㄦ煇浜涘満鏅...
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