林宣岑python字串方法in找到特定「題號」和題目
file = open('金融常識.txt','r',encoding='utf-8') lines = file.readlines() file.seek(0) reading = file.read() file.close() total=len(lines) print(total,len(reading)) x = input('林宣岑輸入搜尋關鍵詞,列出所有題目: ') n = 0 for i in range(total): if x in lines[i]: n+= 1 print(n,'題號',i+1,lines[i],end="") print(f'總共{n}題')