str.startswith(prefix[,start[,end]]) str:表示原字符串; prefix:表示要檢索的字符串; start和end同上 1 2 str="@jing @ruo @xing @chen" print('判斷字符串",'strl,"是否以@符號(hào)開(kāi)頭,結(jié)果為:',strl.startswith('@')) 運(yùn)行結(jié)果: 判斷字符串" @jing @ruo @xing @chen "是否以@符號(hào)開(kāi)頭,結(jié)果為...
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