html

VS Code開發環境w3schools截圖 字串程式碼 a = "ha,吳敏瑄很好" b = a . replace ( '好' , '棒' ) print ( a ) print ( b ) print ( '幾個很?' , a . count ( '很' )) print ( '很在0,1..位置' , a . find ( '很' )) print ( '很在0,1..位置' , a . rfind ( '很' )) print ( 'a的長度' , len ( a )) print ( '英文大寫' , a . upper ()) print ( '英文小寫' , a . lower ()) txt = "Hello, 將第一個字母轉成大寫。" x = txt . capitalize () print ( x ) print ( txt . casefold ()) y = txt . center ( 30 ) print ( txt . center ( 30 )) print ( y ) print ( len ( y ))