廖永睿python,print,input,字串[::-1]
w3school學習python vs code編寫python vs code編寫pythoon程式碼 #註解廖永睿2023/2/20 w3schools學python a = "我就愛哈拉唬爛啊" #python不需要宣告變數 print(a) #python指令結束不需要; b = a[::-1] #這是python特有功能 print(b) c = a[2:7:] #字串a的0,1,2取,3,4,5沒有6 print(c) d =a[7:2:-1] print(d)