寰幆缁撴瀯

Posted 2020-11-23

鏍囩锛?a href='http://www.mamicode.com/so/1/item' title='item'>item   寰幆缁撴瀯   瀹屾垚   ctr   娌℃湁   tin   杩愯   range   else   

1.寰幆缁撴瀯锛?br/>1锛塮or閬嶅巻寰幆锛氳鏁板惊鐜€佸瓧绗︿覆閬嶅巻寰幆銆佸垪琛ㄩ亶鍘嗗惊鐜€佹枃浠堕亶鍘嗗惊鐜?br/>閬嶅巻瀛楃涓诧細for c in s: (s涓哄瓧绗︿覆)
鍒楄〃閬嶅巻锛? for item in ls:(ls涓哄垪琛?
鏂囦欢閬嶅巻锛? for line in fi:(fi涓烘枃浠舵爣璇嗙)
2锛墂hile鏃犻檺寰幆锛氭湁鏉′欢鎺у埗鐨勫惊鐜繍琛屾柟寮?br/>鍙嶅鎵ц璇彞鍧楋紝鐩村埌鏉′欢涓嶆弧瓒虫墠缁撴潫寰幆
濡傛灉寰幆闄峰叆姝诲惊鐜紝Ctrl+C閫€鍑哄己鍒堕€€鍑虹▼搴?
2.寰幆淇濈暀瀛楋細
break璺冲嚭骞剁粨鏉熷綋鍓嶆暣涓惊鐜紝鎵ц寰幆涔嬪悗鐨勮鍙ワ紝break浠呰烦鍑哄綋鍓嶆渶鍐呭眰寰幆
continue缁撴潫褰撴寰幆锛屽幓鍋氫笅涓€娆″惊鐜?br/>3.寰幆鐨勯珮绾х敤娉曪細寰幆涓巈lse
for i in range(c) :
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else 锛?br/><璇彞鍧?>
while <鏉′欢>:
<璇彞鍧?>
else :
<璇彞鍧?>
褰撳惊鐜病鏈夎break璇彞閫€鍑烘椂锛屾墽琛宔lse璇彞鍧楋紙else璇彞鍧椾綔涓衡€滄甯糕€濆畬鎴愬惊鐜殑濂栧姳锛?/p>