# Pythont程式設計一書重點 松崗 作者黃建庭 * 2-15 bit位移 A = 5 << 2 * 2-16 運算子優先順序 ```python= 1 ()[]{} 2 ** 3 +X -X ~X 4 * / // % 5 + - 6 & 7 ^ 8 | 9 < <= > >= == != in not is and if elif else lambda ``` * 2-22 string相關內建函式 ```python= s = "春 眠不覺曉" l = s1.split(' ') s2 ``` * 2-33 判斷迴文 ```python= s = input("input a string") print("判斷迴文結果結果：", s == s[::-1]) ```